Laura Kuenssberg
Political editor

It wasn't normal when the prime minister stood at the lectern in Downing Street's wood-panelled State Dining Room and announced that four people had died from coronavirus on 9 March last year.

It wasn't normal, that day, when he announced the obscure-sounding virus was a global pandemic that, in the 21st Century, the UK government would struggle to contain.

It was unprecedented, in peacetime, when, on 23 March, Boris Johnson instructed the country to stay at home.

It was shocking when, on 28 March, official figures reported more than 1,000 cases in a single day.

But today that number has reached a terrible height - more than 100,000 deaths. Every one of those 100,000 lives lost leaves its own story, and sorrow, behind.

This miserable landmark is a moment to remember, maybe, that what has happened in the last year, to our politics, to us all is not normal at all.

Read more from Laura here

Alongside the grim number of people who have died, a total of 20,089 people tested positive for coronavirus, daily figures show., external

The number of people who have received their first dose of a vaccine is 6,853,327 and 472,446 of those have had their second jab too.

The prime minister is due to begin a coronavirus briefing from Downing Street in about 10 minutes.

Stay with us for live updates and analysis.

Image source, Getty

There is no quick answer to that question, and there is sure to be a long and detailed public inquiry once the pandemic is over.

But there are plenty of clues that, when pieced together, help build a picture of why the UK has reached this devastating number.

Some will point a finger at the government - its decision to lock-down later than much of western Europe, the stuttering start to its test-and-trace network, the lack of protection afforded to care home residents.

Others will spotlight deeper rooted problems with British society - its poor state of public health, with high levels of obesity, for example.

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The 100,000 coronavirus deaths "are not just numbers", says Dr Yvonne Doyle, Medical Director at Public Health England.

"This is a sobering moment in the pandemic," she says.

"Each death is a person who was someone’s family member and friend. This virus has sadly taken millions of lives across the world, but we have learnt a lot about this coronavirus over the past year.

"The best way to slow the spread is to follow the rules and right now that means staying at home.

“We should all be encouraged that hundreds of thousands of people are receiving a vaccine every day. However, there is still a way to go and these people might still be able to pass the virus on to others.

"That is why it is essential for all of us to work together by staying at home. This sacrifice will help slow the spread, protect the NHS and save lives.”

The UK death toll from coronavirus has passed 100,000, according to government figures., external

A total of 100,162 people have died in the UK within 28 days of a positive Covid test since the start of the pandemic.

The daily number of deaths was 1,631 - this is higher than yesterday's figures when 592 deaths and 22,195 cases were recorded.

Image source, BBC/GETTY

Celebrities including comedians Meera Syal and Romesh Ranganathan and cricketer Moeen Ali have made a video urging people to get the Covid vaccine.

The video was co-ordinated by Citizen Khan creator Adil Ray, who said he wanted to dispel vaccination myths for those from ethnic minority communities.

Mayor of London Sadiq Khan and former Conservative Party Chairman Baroness Warsi are among the others taking part.

Watch here.

Image source, Getty Images

We're expecting to hear from the prime minister at a Downing Street briefing in just over half an hour. Before we do, let's take a look at today's UK headlines:

• Vaccine minister Nadhim Zahawi says he is confident the UK’s vaccine supply "remains safe" despite the EU's dispute with AstraZeneca over the pace of exports to countries in Europe
• The government is expected to announce hotel quarantine in England for UK arrivals over concerns about new Covid variants
• The number of people to have died with coronavirus in the UK has exceeded 100,000, according to figures from the Office for National Statistics. These are different from the government's daily coronavirus figures which we are expecting shortly
• The Welsh government has missed its target to vaccinate 70% of over-80s by the weekend
• Scotland's lockdown measures will stay in place until mid-February as coronavirus cases are "still far too high", says the deputy first minister
• Schools in England will be given two weeks notice before reopening and there will be announcements on the plan in the next few days, the education minister says

• The NHS has warned people to be vigilant about fake invitations to have the coronavirus vaccination sent by scammers
• British Asian celebrities including comedians Romesh Ranganathan and Meera Syal and cricketer Moeen Ali have made a video aimed at dispelling Covid vaccine myths

A group of 31 London Metropolitan Police officers are each facing £200 fines for breaching coronavirus regulations, after getting their hair cut by a barber while on duty.

The two officers who organised the trims, at Bethnal Green police station on 17 January, will also be investigated for misconduct, Scotland Yard said.

Local policing commander Detective Chief Superintendent Marcus Barnett said: "It is deeply disappointing and frustrating that my officers have fallen short of the expectation to uphold Covid-19 regulations.

"Although officers donated money to charity as part of the haircut, this does not excuse them from what was a very poor decision. I expect a lot more of them.

"It is right, therefore, officers should each face a £200 fine, as well as misconduct action for those two who organised this event."

Image source, Reuters

Italian Prime Minister Giuseppe Conte has resigned amid divisions over spending in the coronavirus crisis, in which more than 85,000 Italians have died.

It is not clear if he will be able to form and lead a new coalition government.

Conte met President Sergio Mattarella, who may ask him to form a stronger government. Last week he lost his Senate majority.

But someone else could become Italy's PM, or a snap election could be called.

Read more here.

BBC Radio 5 Live

The mother of a young woman with a serious genetic disease has told 5 Live the pandemic has "ripped us apart".

Speaking to presenter Naga Munchetty, Marian said her 28-year-old daughter Charlotte, who has Batten disease, a disorder of the nervous system, has not been able to go home from her residential care since the pandemic began.

Marian says her daughter's dementia has increased.

“Charlotte used to come home every weekend,” said Marian.

“Now we can visit once a week and Charlotte’s in one room, Tom (Marian's husband) and myself are in another room with a plastic sheet in between.

“Because she’s not having the contact she had with us, things are slipping and it’s daunting to watch.

“We were so together for all of her life, it’s robbed us, ripped us apart,” she added.

Marian said it was “essential” the people living in the home were vaccinated.

“They’re such vulnerable young adults, they all have very high respiratory problems,” she said.

“We’re in desperately need of the vaccine."

Listen back on the free BBC Sounds app.

BBC World Service

Image source, Reuters

The South African president, Cyril Ramaphosa, has condemned so-called vaccine nationalism by the world's wealthiest countries.

Addressing the World Economic Forum online, he said some governments had ordered far more coronavirus vaccines than they needed.

Without naming any countries, he appealed to them to release surplus stocks so that others could benefit.

Last week, the World Health Organization said unequal access to vaccines across the globe risked becoming a catastrophic moral failure.

South Africa - which is the worst-hit country for cases and deaths on the continent - is yet to receive any vaccines.

It hopes to receive its first million doses of the AstraZeneca jab from India later this month.

Read our story on how vaccines will be shared here.

The NHS has warned people to be vigilant about fake invitations to have the coronavirus vaccination.

The scam email includes a link to "register" for the vaccine - but registration is not required for the real vaccination is required.

The fake site also asks for bank details either to verify identification or to make a payment.

The NHS says it would never ask for bank details, and the vaccine is free.

Cyber-security consultant Daniel Card told BBC News that traffic data indicates thousands of people had clicked the link to the fake site - although it is unclear how many then filled in the form.

Scotland will go "at least as far" as England in enhancing measures at the border, the nation's deputy first minister says, as ministers consider the case for making people arriving in the UK stay in "quarantine hotels".

John Swinney also says Scotland could go further if the arrangements put in place by Westminster are thought to be "at a minimal level".

"We will look at other controls we can announce - including additional supervised quarantine measures - that can further protect us from importation of the virus, and we will set those out next week," he adds.

But he stresses that "border controls will work best on a four-nation basis", adding that "otherwise, for example, if Scotland establishes a supervised quarantine regime, and England does not, that could be problematic if unrestricted travel between Scotland and England resumes".

Image source, Photonews

The health secretary says the UK government "opposes protectionism in all its forms" and has urged all international partners to "be collaborative" and "work closely together" on vaccine distribution.

Matt Hancock was responding to a question from the BBC's Nick Eardley on the EU warning of tighter restrictions on vaccine exports - which could affect UK supplies of the Belgium-made Pfizer vaccine.

This was a move Hancock called "unfortunate - and especially so in the midst of a pandemic".

The health secretary says "transparency is welcome" from the European Union on this issue, adding that he was "confident" supply of vaccines coming into the UK will not be affected.

Hancock, who was speaking during a Chatham House event, said that protectionism was "not the right approach" in the middle of a pandemic.

Image source, Getty Images

A pledge to vaccinate 70% of over-80s by the weekend was missed by the Welsh government.

Weather has been blamed for why the target was not reached. Latest figures show 96,830 over-80s have received a first dose - that's 52.8% of the group, although there is a lag in the data.

First Minister Mark Drakeford told the Welsh Parliament many over-80s did not feel it was safe to attend appointments in the snow and ice.

"I won't have people over-80 feeling pressurised to come out to be vaccinated when they themselves decide that it is not safe for them to do so," he said.

Meanwhile, the total number of coronavirus deaths in Wales has reached its highest weekly total of the pandemic with 467 deaths in the week ending 15 January, according to the Office for National Statistics.

Image source, Reuters

Colombia's defence minister has died in hospital after contracting coronavirus, the government has announced.

Carlos Holmes Trujillo, 69, was taken to hospital with Covid-19 earlier this month and had developed viral pneumonia.

"Colombia has lost one of its best men," President Ivan Duque said on Tuesday.

A long-serving politician, Mr Trujillo was a key figure in Colombia's struggle to combat organised crime.

He had been treated in intensive care in a military hospital in the capital, Bogotá.

José Renán Trujillo has paid tribute to his brother on Twitter writing, "It is with great pain that I hear my brother has died. He fought for his convictions and he died defending them."

Read the full story here.

Image source, Reuters

A school in Greater Manchester has threatened to withdraw places for pupils who have told teachers they are visiting people outside of their households.

Yew Tree Community School in Oldham said several children had admitted visiting friends, neighbours and family, contrary to Covid-19 lockdown rules.

In a letter posted on the school's Facebook page, headteacher Martine Buckley said: "Our lovely children are open and honest and they tell us about their lives and activities.

"A number of them are telling us that they are visiting friends, neighbours and family, which is against the law.

"Our teachers and support staff are putting their own safety at risk to look after your children and they should be confident you are doing your bit to follow the lockdown rules.

"I am afraid I will have to withdraw the offer of a place in school to children whose parents are putting us in danger."

During the current lockdown, schools are open only to pupils listed as vulnerable and the children of key workers.

Despite some encouraging signs, case numbers in Scotland are still far too high with the NHS under too much strain, says Deputy First Minister John Swinney.

He adds: "The position in Scotland remains precarious."

The cabinet has decided not to make any changes to the current lockdown measures, says Mr Swinney.

"They will remain in place at least until the middle of February."

Image source, Science Photo Library

The UK has offered to carry out genomic sequencing for other countries around the world to help identify further new coronavirus variants.

Health Secretary Matt Hancock made the pledge in a speech to Chatham House think tank this afternoon, as the government becomes increasingly concerned over strains evolving to evade vaccines.

Since the initial outbreak of the pandemic, new Covid variants have been discovered in the UK as well as in Denmark, South Africa and Brazil.

Hancock offered the support of a new variant assessment platform, to be led by Public Health England (PHE), to analyse the genetics of coronavirus samples.

PHE said it would give "crucial early warning" of any mutations that might cause the virus to spread faster, make people more ill or possibly reduce the effectiveness of vaccines.

Nations will be able to request the support through the World Health Organisation or directly to the UK.