The Israel Defense Forces says sirens are sounding in Israel after missiles were launched from Iran.

It says in a statement: "A short while ago, the IDF identified missiles launched from Iran toward the territory of the State of Israel. Defensive systems are operating to intercept the threat.

"Upon receiving an alert, the public is instructed to enter a protected space and remain there until further notice."

It comes after Iran's foreign minister Seyed Abbas Araghchi said Iran's military actions continued until 04:00 Tehran time. It is now almost 0600 in Tehran.

Yang Tian
Live reporter

Earlier we reported that Trump thanked Iran for "early notice" of the missiles fired at the US base in Qatar. But what is Tehran’s reason for warning the US?

Security and defence expert Stephan Fruehling says Iran’s motivation for hitting back at the US is primarily “symbolic”.

“So this warning is likely to signal to the US that Iran is not interested in further conflict with the US,” he tells the BBC.

Iran’s warning could have provided the timing and target of the strike so Qatar and the US could clear civilian airspace in time, says Fruehling, who teaches at the Australian National University.

The warning is a gesture to the US and Qatar that they want to “keep this limited to a conflict with Israel” as they could lose militarily if they were to escalate, he adds.

Fruehling says Iran has conducted “similar performative strikes in the past”, including during Trump’s first term after the killing of Iran’s former military general Qasem Soleimani.

Image source, Reuters

Ghoncheh Habibiazad
BBC Persian, World Service reporter

“Another sleepless night”, that’s how a resident of Tehran described the Israeli attacks on the city tonight.

From east to west, residents of the capital have told us that they heard loud explosions in the city.

Israel had previously issued three warnings for different parts of the city to evacuate “immediately”. Meanwhile, the internet connection is still disrupted in the country, making it harder for residents to see these warnings.

“Why on earth should we have to stay up this late, stressing so much, just to see what disaster is going to fall on us? I feel traumatised, I’m scared of every random noise I hear now,” another resident said in the early hours.

State TV has said that reports indicate some areas of Tehran have seen the most intense air defence clashes tonight since 13 June.

But at around 4am, the explosions seemed to stop, some residents told the BBC.

Iran's foreign minister, Seyed Abbas Araghchi issued a 4am deadline for Israel to stop its attacks on X, and thanked the armed forces for continuing to "punish Israel for its aggression...until the very last minute, at 4am."

It is now just after 05:00 in Tehran.

We've just heard more from the Iranian foreign minister.

"The military operations of our powerful Armed Forces to punish Israel for its aggression continued until the very last minute, at 4am," Seyed Abbas Araghchi has just posted on X.

"Together with all Iranians, I thank our brave Armed Forces, who remain ready to defend our dear country until their last drop of blood, and who responded to any attack by the enemy until the very last minute."

04:00 in Tehran was about 45 minutes ago. It was the deadline he gave Israel to stop its "aggression" against Iran. If Israel did this, he said in the previous statement, "We have no intention to continue our response afterwards."

In the last few hours, US President Donald Trump announced a ceasefire between Iran and Israel - but neither side confirmed it publicly at the time.

Then a short while ago, Iran said it would stop strikes if Israel did. We have yet to hear from Israel.

So things remain uncertain.

What we know:

• Around 20:00 local time in Qatar (18:00 BST), Iran launched strikes targeting a US base in Qatar - no casualties were reported
• Several hours later, Trump announced an Iran-Israel ceasefire on social media, saying both sides would stop all attacks within 24 hours
• Strikes continued between Iran and Israel, with reports of explosions in Tehran
• Iran's foreign minister says if Israel stops its attacks by 04:00 local time, it won't fire back. It is currently just after 4:30 in Tehran.

What we don't know

• Israel hasn't officially responded to claims that both sides will stop fighting within the next 24 hours

Iran's foreign minister, Seyed Abbas Araghchi, has just posted on X saying that if Israel stops its "illegal aggression" now, Iran has "no intention to continue our response afterwards".

Araghchi said Israel must stop by 04:00 local time, which has just passed:

"As Iran has repeatedly made clear: Israel launched war on Iran, not the other way around.

"As of now, there is NO "agreement" on any ceasefire or cessation of military operations. However, provided that the Israeli regime stops its illegal aggression against the Iranian people no later than 4 am Tehran time, we have no intention to continue our response afterwards.

"The final decision on the cessation of our military operations will be made later."

As we await an official response from Iran or Israel on Trump's claim of a ceasefire, US Vice-President JD Vance has been speaking to Fox News in the past hour, and boasting that Iran will not be able to build nuclear weapons as a result of the US air strikes.

"We have to talk to Iran, and of course to Israel, about what the future holds," he says.

He says the crucial question now is whether Iran's ability to enrich uranium has been fully destroyed. But a clear message has been sent to Iran, he says, that US jets can reach their homeland any time.

Watch the clip below:

Despite Trump's claim of a ceasefire, Iran's Fars News Agency – which is affiliated with the Islamic Revolutionary Guards Corps (IRGC) – is reporting, quoting an “informed source” that Trump’s announcement is “completely false”.

The unnamed source has told Fars that “no formal or informal ceasefire proposal” has been received by Iran, and Iran will soon, “within hours”, show that the announcement is false to Israel through an “operational” response.

The source has also told Fars that the announcement is an attempt by the US to distract “public attention” from the recent “humiliation” of the US following Iranian attack on its base in Doha.

However, we still have not seen any Iranian officials publicly either denying or confirming Trump’s announcement.

Both Israel and Iran have agreed to the ceasefire, a senior administration official is telling CBS, the BBC's US news partner.

But neither side has issued a formal or public response.

Trump communicated directly with PM Benjamin Netanyahu, with Israel agreeing to the truce as long as they are not further attacked by Iran, CBS reports.

Senior Iranian officials have also confirmed Tehran has agreed to the ceasefire, according to CBS.

The ceasefire came about after US vice president JD Vance, Secretary of State Marco Rubio, and Special Envoy Steve Witkoff communicated with the Iranians, through both direct and indirect channels, the senior administration official says.

Adam Hancock
Business reporter

Oil prices have continued to tumble following President Trump's announcement of a ceasefire.

The global benchmark Brent crude has dropped another 4% to just over $68 a barrel. That follows a 7% drop in Monday's trading session.

Oil prices are now lower than 12 June, when Israel first launched an attack on Iran.

Stock markets in Asia are also responding positively to the latest developments in the Middle East, with major indexes in Japan, South Korea and Australia all rising.

The White House has just released the text of a letter sent to the US Congress, informing lawmakers that the US has launched military strikes on Iran.

"The strike was taken to advance vital United States national interests, and in collective self-defense of our ally, Israel, by eliminating Iran’s nuclear program," says the letter signed by Trump.

It adds that the attack was "limited in scope and purpose" and was done “to protect United States citizens both at home and abroad as well as in furtherance of United States national security and foreign policy interests”.

The legally-required letter comes as many in Congress argue that Trump did not seek proper congressional authority before launching the attack. It is the role of Congress to declare war, although it has not done so since WW2, despite US troops fighting in multiple foreign wars since then.

Ghoncheh Habibiazad
BBC Persian, World Service reporter

There has been no official response from Tehran to Trump’s announcement on a ceasefire that he said would start in the coming hours.

Iranian outlets, including state media, have simply referred to it as Trump’s “claim” - playing it safe for now.

Meanwhile, the IDF has issued three evacuation orders tonight for different districts of Tehran and there have been reports of several explosions across the country, although it’s past 2am right now in Iran. Trump's announcement did say that the ceasefire would not start until a few hours' time.

Qatari PM Sheikh Mohammed bin Abdulrahman Al Thani helped to secure the ceasefire, according to officials involved with negotiations who spoke to US media.

According to the unnamed officials, Qatar became involved in the US proposal after speaking on the phone with Iranian officials, after Iran struck US military bases in the region, including in Qatar.

Image source, The White House

Many Democrats and some Republicans have questioned Trump's legal authority to strike Iran's nuclear sites.

Some Democratic lawmakers including Alexandria Ocasio Cortez and Bernie Sanders have condemned the move as unconstitutional.

According to experts, Article II in the US Constitution says "the president shall be Commander in Chief of the Army", which gives Trump the authority to use military force in certain circumstances.

The circumstances are not specifically laid out, but they have been interpreted to include "actual or anticipated attacks".

These interests could include the prevention of nuclear proliferation, which the Trump administration said was their justification for the strikes on Iran.

For more, here's our BBC Verify story.

We have yet to hear confirmation of the ceasefire from Iran. Half an hour before Trump's announcement that a "complete and total" ceasefire had been agreed between Iran and Israel, CNN reported that a senior Iranian official had told the network the country had not received any ceasefire proposal.

The unnamed official said that the words of the US and Israeli leaders are "a deception" intended to justify continued attacks on Iran.

“At this very moment, the enemy is committing aggression against Iran, and Iran is on the verge of intensifying its retaliatory strikes, with no ear to listen to the lies of its enemies,” the official said.

Ghoncheh Habibiazad
BBC Persian, World Service reporter

As we watch for Iran’s reaction to Trump's statement, I’m hearing from people in Tehran and a nearby city, Karaj, and northern city of Rasht that they have heard loud explosions.

Meanwhile, Iranian outlets have reported that air defence has been activated in Tehran following explosions.

Brandon Drenon
Reporting from Washington DC

The most powerful Republican in the House of Representatives, Speaker Mike Johnson, has responded to Trump's ceasefire announcement.

"Peace through STRENGTH," Johnson wrote on X.

The phrase – one that Trump himself repeats frequently – has become a Republican calling card under the party's embrace of American military might.

Earlier today, when confronted by reporters on Capitol Hill, Johnson defended Trump's decision to strike Iranian nuclear facilities and said it was within his power – even though he did not consult with Johnson or Congress beforehand.

Trump will likely point to ceasefire as sign his strategy workedpublished at 23:30 British Summer Time 23 June

23:30 BST 23 June

Bernd Debusmann Jr
Reporting from the White House

Donald Trump's announcement of a ceasefire - if it holds - will be claimed by the administration as one of the most significant foreign policy wins of this White House.

Big promises of ending the wars in Ukraine and Gaza have so far eluded him.

More recently, we've seen him claim to have ended the fighting between the Democratic Republic of the Congo - a war far from the minds of most Americans, as well as the fighting between Pakistan and India.

An end of the fighting in the Middle East, however, will be something that the president and his allies point to as tangible progress, particularly if coupled with an end to the Iran nuclear programme that hasn't been achieved by former presidents Clinton, Bush, Obama, and Biden.

We have yet to hear from Israel or Iran about his post - and there is no guarantee that the fighting will end, or that a ceasefire will hold.

There are no public events scheduled for the president tonight, and we may not hear from him on-camera.

But as he leaves for the Netherlands and the Nato summit tomorrow - he may well point to this as a sign that his strategy, however confusing many found it, may have worked.

Trump's ceasefire announcement continues by saying: "On the assumption that everything works as it should, which it will, I would like to congratulate both countries."

The US president is calling the latest Israel-Iran conflict the "The 12 Day War".

"This is a war that could have gone on for years, and destroyed the entire Middle East, but it didn't, and never will!" Trump says in the post.

US President Donald Trump has announced a "complete and total" ceasefire between Israel and Iran on social media.

Trump says the ceasefire will begin "in approximately six hours from now" after each country has "wound down" their military operations.

Trump's announcement contains a periodic unravelling of hostilities but says that "upon the 24th hour" the war will officially end.

Israel and Iran are yet to confirm a ceasefire has been reached.

Stay with us as we bring you more.