Aileen Cannon's judgement in Donald Trump's documents case is long - 93 pages in total.

But she says the appointment of Jack Smith to lead the prosecution "violates" the Appointments Clause of the US Constitution.

"The bottom line is this: the Appointments Clause is a critical constitutional restriction stemming from the separation of powers...," she says.

Smith's position "effectively usurps that important legislative authority, transferring it to a Head of Department, and in the process threatening the structural liberty inherent in the separation of powers," she adds.

A judge in Florida has dismissed the criminal case accusing Donald Trump of illegally holding onto classified documents.

US District Judge Aileen Cannon, who was nominated by Trump, ruled that Special Counsel Jack Smith - leading the prosecution - was unlawfully appointed to his role and did not have the authority to bring the case.

We'll have more on this breaking news soon.

Image source, EPA

Former US President Donald Trump is not expected to speak until Thursday night at the Republican National Convention (RNC).

Meanwhile, Donald Trump Jr, the former president's son, is expected to speak on Wednesday.

South Carolina Governor Nikki Haley - who was one of Trump's fiercest rivals during the Republican primary - was not originally expected at the convention. Following the assassination attempt, it's reported she'll now be addressing the crowd there.

Other political speakers reportedly include Georgia congresswoman Marjorie Taylor Greene, Arizona Senate contender Kari Lake, and Florida Governor Ron DeSantis.

We're also expecting to hear from the head of the Ultimate Fighting Championship Dana White, former Fox News host Tucker Carlson, and Teamsters union general president Sean O'Brien.

• There's more on what to expect from the convention here

Full steam ahead at the Republican National Conventionpublished at 14:48 British Summer Time 15 July

14:48 BST 15 July

Nada Tawfik
Reporting from the convention

Donald Trump is going from peril to pageantry in just two days, another unprecedented and unpredictable turn of events in this election year.

While the former president and Republican candidate says he won’t allow a potential assassin to change his plans, he says he does want to strike a different tone in this historic moment.

With talk of uniting the country with his formal acceptance speech set to be delivered on Thursday, it seems he hopes that appearing less tribal and turning the temperature down on political attacks will increase his support among undecided voters.

I ran into Corey Lewandowski, a Trump campaign manager in 2016 who is now an adviser for the convention.

He says he’s in contact with Donald Trump’s senior team and that the former president is more resolved than ever.

I ask whether big changes are being made to the programme here. He says the world has changed after the assassination attempt, but Republicans will still be focused on outlining their different vision for America with speeches from high profile figures and everyday Americans.

Another US official, Homeland Security Secretary Alejandro Mayorkas, has also been speaking to reporters about what went wrong at the Trump rally.

Speaking to ABC News, he says "a direct line of sight like that to the former president should not occur," and that the incident is being investigated by an independent review, announced by President Joe Biden yesterday.

The US Secret Service has said in a statement that it understands "the importance" of the review and will "participate fully". (You can read more on that statement in our last two posts.)

As a reminder, the gunman shot at Trump with a rifle on Saturday from a rooftop about 130m (430ft) from where the former president was speaking at a rally in Pennsylvania - there are questions around how he was able to gain access.

Image source, Reuters

We mentioned in our last post that the Secret Service has released a statement about the assassination attempt on Donald Trump - here's a bit more from that.

Secret Service Director Kimberly Cheatle sends her "deepest condolences" to the family of Corey Comperatore, who was killed at the rally in Pennsylvania.

She says officers on the ground "moved quickly during the incident", killing the gunman and implementing "protective measures to ensure the safety of former president Donald Trump."

Cheatle adds that the agency "understands the importance" of the independent review that's been announced by President Biden, and says the Secret Service will "participate fully."

"The Secret Service is working with all involved federal, state and local agencies to understand what happened, how it happened, and how we can prevent an incident like this from ever taking place again", the statement says.

She adds that "changes" have been made to Trump's security detail "to ensure his continued protection for the convention and the remainder of the campaign".

The director of the Secret Service has released a statement - and in it, she says security plans for the Republican National Convention (RNC) this week have been "reviewed and strengthened" after the assassination attempt on Donald Trump.

Kimberly Cheatle adds: "I am confident in the security plan our Secret Service RNC coordinator and our partners have put in place, which we have reviewed and strengthened in the wake of Saturday’s shooting."

We'll bring you some more lines from Cheatle shortly.

In short, it remains unclear how suspected gunman Thomas Matthew Crooks ended up on the roof of a building little more than 130m (430ft) from where Donald Trump was speaking at a rally in Pennsylvania.

The rooftop was a known vulnerability before the event, according to NBC News, which cited two sources familiar with Secret Service operations.

"Someone should have been on the roof or securing the building so no one could get on the roof," the US outlet quoted one as saying.

It's also been suggested that the line of sight from the rooftop to Trump's podium area should have been blocked off.

This was "one of the most basic elements of site security, especially [for] a site that’s outside and largely uncontrolled", according to former FBI Deputy Director Andrew McCabe, speaking to CNN.

Remember, this is a constantly evolving and complex story and we'll continue to keep you up to speed with the latest information as we learn it.

One of the suspected gunman's schoolmates has been speaking to US media, describing Thomas Matthew Crooks as relatively reserved and quiet.

Michael Dudjak tells NBC News that he learned Crooks was the person behind Saturday's assassination attempt while he was with high school friends.

"It’s definitely terrifying for someone you went to school with to commit such a heinous act," Dudjak, also aged 20, says - adding that he was "in the same class as this person" just "two years ago".

Dudjak says Crooks was "on his own a lot" and that he can't recall him being outspoken about politics or active on social media.

• We've a bit more on what's known about Crooks - who was shot dead at the scene - here

One bystander was killed and two others were seriously injured in the assassination attempt on Donald Trump at a rally in Pennsylvania on Saturday evening.

Here's what we know so far about the victims:

Corey Comperatore

Comperatore was a 50-year-old volunteer fire chief who lived in Sarver. His daughter, Allyson, described him as the "best dad a girl could ever ask for".

Pennsylvania Governor Josh Shapiro said that Comperatore went to church every Sunday and "loved his community".

He was said to be an avid Trump supporter and to have been excited to attend the Pennsylvania rally.

“He was a good person,” neighbour Matt Achilles told the Pittsburgh Tribune-Review.

David Dutch

Dutch, from the Pennsylvania city of New Kensington, is a long-time employee of the technology company Siemens, according to his sister.

Jennifer Veri-Grazier told the New York Times that the 57-year-old suffered damage to his liver and broken ribs in the shooting and has had to have more than one operation.

She described him as a long-time Trump supporter.

James Copenhaver

Copenhaver, 74, is from Moon Township, Pennsylvania, and was a registered Democrat, the New York Times reports.

Albert Quaye, a supervisor in Moon Township, told the newspaper that Copenhaver was retired and had become very interested in local politics.

Read more about the victims here.

Bernd Debusmann Jr
Reporting from Butler, Pennsylvania

Good morning from Pennsylvania – where we are still trying to piece together exactly what led to Saturday's shooting in Butler.

Many questions remain about the man identified as the culprit, 20-year-old Thomas Matthew Crooks.

While some former classmates have described him as constantly bullied, most that have so far spoken to media have painted a picture of an intelligent and quiet, yet perhaps unmemorable, young man.

Few believed he was capable of an act of violence that left one dead and three others wounded, including former President Donald Trump.

Among the new bits of information we've received is that he studied engineering science at a local community college, and that he was a member of a gun club.

Earlier in his life, he'd tried and failed to join his school's rifle club.

I'll be headed to some of the locations we know he frequented in the coming hours to try get a better understanding of who he was and what brought him to the Trump rally in Butler.

Stay with us for more updates.

Image source, Reuters

Trump Media & Technology Group (TMTG) – the parent company of Donald Trump's social media platform Truth Social – has seen a 67% increase in its share price following Saturday's assassination attempt.

Donald Trump is the biggest shareholder, owning 65% of the company. It has a stock market valuation of about $3.8bn.

TMTG's stock has surged this year – driven by traders betting on a Trump victory in the 5 November US presidential election.

Image source, EPA

As we've reported earlier, Donald Trump is expected to speak at the Republican National Convention (RNC) in Milwaukee this week, where he will be formally nominated as the party's presidential candidate.

The party conference is going ahead as planned, with Audrey Gibson-Cicchino, the RNC's liaison with the Secret Service, saying she was "not anticipating any security changes", despite the assassination attempt against Trump on Saturday.

"We are confident in the security plans for this event and we are ready to go," she told reporters.

Some 50,000 people are expected to attend the four-day jamboree of pageantry, politics and policy as the party makes its case to voters ahead of November’s general election.

Image source, Reuters

Corey Comperatore, a husband and father of two, was killed trying to protect his family during the attempted assassination of Donald Trump on Saturday.

The 50-year-old was a volunteer fire chief, and according to his social media profiles, worked as a project and tooling engineer at a plastics manufacturing company.

An avid Trump supporter, he was attending the rally near Pittsburgh, Pennsylvania, which is about 12 miles from his home.

Comperatore's daughter Allyson, writing on social media, described him as "the best dad a girl could ever ask for" and said he had "died a real-life superhero".

"He threw my mom and I to the ground... [and] shielded my body from the bullet that came at us," she said, describing the moment of the shooting.

In interviews, neighbours and friends have described him as a good man who played an active role in his community. Pennsylvania Governor Josh Shapiro said Comperatore "died a hero".

A GoFundMe set up for his family has raised more than $830,000 (£640,000).

Image source, Reuters

A law enforcement officer found suspected gunman Thomas Matthew Crooks moments before he fired towards former President Trump, two officials told the Associated Press on a condition of anonymity., external

Crooks is said to have pointed his gun at the officer, who retreated down a ladder, and the 20-year-old "quickly fired" at Trump.

Witnesses previously told the BBC that they reported the gunman to police "minutes" before he opened fire.

The US Secret Service has been under scrutiny since Saturday – with the FBI saying it's "surprising" a gunman was able to open fire at the rally before being killed.

Image source, Reuters

Let’s have a look at another detail we learned from Trump’s interview with the New York Post.

In one of the videos of the assassination attempt, Trump can be heard saying: “I want to get my shoes.”

He explained to the Post that the agents who tackled and jumped on him in the aftermath of the shot hit him so hard that his shoes fell off.

"And my shoes are tight," he told the newspaper.

Trump also commended the Secret Service personnel for their actions and praised them for shooting the gunman.

Image source, Reuters

Former Secret Service agent Timothy Miller tells the BBC's Newsday that what happened at Donald Trump's Pennsylvania event was "a hair's width from a presidential assassination".

Asked what the Secret Service should have done, Miller says given the "deadly accuracy of an M-16 rifle" there should have been patrols of the area next to the building where the gunman was and armed police "up there [on the roof]".

"Once it was identified that there was an unknown armed man, with a rifle, on that roof, within 150 yards of the president, the counter-sniper teams should have taken action immediately and appropriately," he says.

"As you look at that whole thing, there's failure after failure," Miller adds.

One person was killed and two others were critically injured, but Miller says "we were very fortunate that there weren't more people killed" as "systematic failures" were in place at that site.

Miller says that had the former president not slightly turned his head to the opposite side, the gunman would have killed him and "we would be discussing a very different situation".

The attempt to assassinate Donald Trump – a former president and current presidential candidate – has shocked many and led to questions about his security as well as the political temperature in America.

Four sitting presidents have been assassinated in US history – Abraham Lincoln in 1865, James Garfield in 1881, William McKinley in 1901, and John F Kennedy in 1963.

Others have survived assassination attempts including Ronald Reagan - the last US president to be shot. He was seriously wounded just 69 days into his presidency in 1981 but went on to serve two full terms.

Theodore Roosevelt, a former president running for office again in 1912, was shot in the chest at a campaign event. He survived, but failed in his bid for the presidency.

Image source, Getty Images

Markwayne Mullin, a US senator from Oklahoma since 2023 and a friend of Donald Trump, says Trump was "very energetic and sounded like it was just another day" when he spoke to him on Sunday.

Mullin tells the BBC’s Newsday programme that the former president was “in great spirits”.

He says they talked about the shooting and says that the former president is aware that had he not turned his head to look at the screen, “This would have been a quite a different story”.

But Mullin adds that Trump has processed what happened to him and was clear that it was ”by God's grace that he was even here today having this conversation".

The Oklahoma senator says Trump is proud of how the crowd responded, that they were calm and listened to instructions.

Image source, USA Today Sports

Let's remind ourselves of the moment former US President Donald Trump was rushed off stage at a campaign rally after an assassination attempt on Saturday.

Shots rang out as he was speaking at the event in Pennsylvania, sparking panic in the crowd.

Trump, who emerged with a bloodied face and was pictured pumping his fist in the air, says he was shot in the ear. He had been speaking at a campaign rally at Butler Farm Show Grounds, about 30 miles (50km) north of Pittsburgh, when loud bangs were heard.

As you can see on the map above, the gunman was on a rooftop about 130m (430ft) from where Trump was speaking – one witness told the BBC the gunman may have been hidden from the authorities by the slope of the roof he was lying on.