One of the doctors who treated the critically injured after Saturday's attack said the victims had "gone through an experience more horrific than I could ever imagine".

Consultant Dr Malik Ramadhan was cycling home from the Royal London Hospital on Saturday night via Tower Bridge, when he saw police cars speeding to the scene.

He said: "It was clear something big was happening by the speed and the way they had been driving."

He turned back and led the staff at the east London trauma centre, which treated 12 casualties.

He added: "The people who had been stabbed had been stabbed with an intent to kill. The people who had been hit by the van were severely injured also."

Six people were immediately operated on, and the doctor said he was "humbled" by how "stoic" the patients were.

Image source, @Dan_Rigsby

A New York Times headline saying that the London attacks had "hit a nation still reeling from the shock of the bombing in Manchester almost 2 weeks ago" provoked mocking on social media. #ThingsThatLeaveBritainReeling has been trending on twitter since - here is Newsbeat's round-up of some of best responses

Steve Hilton, a former director of strategy for David Cameron, has not held back in his criticism of current PM Theresa May on Twitter.

The overriding message to Londoners since Saturday's attack has been to carry on as normal, but for some of the workers in the area near where the attack happened, it's not logistically possible.

Abigail Barclay and her colleagues are waiting on the street this morning after arriving for work to discover the road to their office near Borough Market is closed off.

She said: "Until we got here it didn't feel different at all. The station was absolutely normal.

"As soon as we arrived the police said there's not likely to be access.

"We're just working out our plan at the moment, I might be logging on remotely at home.

"There's lots of people out here trying to figure out what they're going to do."

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Culture Secretary Karen Bradley has defended the government's record on police funding and the reduction in the number of armed officers.

"We had to take difficult decisions in 2010 when we came into office," she said.

"It's not just about numbers, it's about powers."

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Justin Welby, the Archbishop of Canterbury, tells Today there has been an "extraordinary level of condemnation from every significant Muslim leader we know" following the London attack.

He claims that there is "a lack of religious literacy" among some people who are tackling the terrorist threat.

"They often don't understand the very basic doctrines of the faith they're dealing with," he says - and cannot put themselves "in the shoes of religious believers".

Speaking about his own religion, Christianity, he says there has been "enormous heroism and beauty" but there has also been "a dark side" in the past.

And he concludes by saying:

New security barriers have been installed overnight on some bridges in central London.

Measures have been taken at Westminster, Lambeth and Waterloo following the attack at London Bridge.

Transport For London says it is supporting the response from the Met Police.

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Metropolitan Police Commissioner Cressida Dick says she does not support the routine arming of police officers in London.

"I simply do not think that is a sensible response likely to be effective against this threat," she argues.

She adds that she doesn't think people "want to live in a country where we are armed to the teeth".

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Unsurprisingly, Monday's newspapers are dominated by the London attack. Some try to unpick the background of at least one of the attackers while many highlight and praise the heroic actions of the emergency services and passers-by. See all the front pages and our review here.

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"We have incredible pride in what the officers did and the emergency services, and of course members of the public for the courage they showed," Met Police Commissioner Cressida Dick tells Today.

She says there is rhetoric from organisations such as so-called Islamic State "to encourage people to take action into their own hands, to use low-tech methods".

Asked whether there is an overseas connection to recent terrorist attacks, she says that "all the recent attacks have a primarily domestic centre of gravity".

While she will say that the police are always seeking extra resources, she will not be drawn into arguments between the political parties ahead of the election: "You wouldn't expect me to comment on that sort of thing right now."

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The founder of a London deradicalisation programme says the London and Manchester attacks would "have been stopped" had authorities passed information to the programme.

Hanif Qadir was a foreign fighter with al-Qaeda in Afghanistan, before setting up the Active Change Foundation. He told Sarah Montague the individuals in all three attacks were known to the authorities and "without a shadow of a doubt, if interventions were made... we could've stopped these attacks".

Mr Qadir said government funding for the programme was cut because, he says, it was deemed "too risky" and could attract negative media attention.

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Metropolitan Police Commissioner Cressida Dick says "on occasion" someone known to authorities will get through.

But she said 18 plots have been stopped since 2013.

While the usual hordes of commuters stream across London Bridge, the large police presence and multitude of TV crews from around the world show it's not a typical Monday morning.

Mark Lilliott, who works in the area, is waiting by the Tube exit but is unable to access his office today because it is behind the cordon.

He said: "It's literally opposite Borough Market. We've got contingency plans so we'll be in the City."

On what it feels like to come to work this morning, he added: "It's strange. People are a bit more silent, it feels a bit different.

"There's lots of police presence so you notice it which is good, but I think people are quite resilient."

Although much of the area has now been reopened by police, some parts remain cordoned off for investigators.

• London Bridge Station can be accessed from the Tooley Street entrance - the other entrances remain in the cordon
• It is also in place around Borough Market. However, it has been reduced overnight
• The actual bridge itself has been reopened northbound only. Southbound remains closed from Canon Street
• Borough High Street remains closed at the junction with Great Dover Street and Southwark Street is closed from Southwark Bridge
• Fifteen bus routes are either diverting over Tower Bridge or Blackfriars Bridge; or terminating early. Bus tickets are also being accepted on the Underground across zone 1

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Culture Secretary Karen Bradley is on Today, saying the government has "been clear for some time there cannot be safe spaces" online, where radicalisation can take place.

"We need to work with the internet companies," she says, likening it to action taken by firms against the sharing of indecent images of children online.

She adds that the government is "recruiting 1,500 more armed officers" but defends the government's record on police funding: "We had to take difficult decisions in 2010 when we came into office."

And Ms Bradley repeats a government attack line against Labour leader Jeremy Corbyn and anti-terrorist legislation, claiming he "votes against those powers consistently".

The culture secretary is also asked whether President Trump is still invited to make a state visit to the UK after he criticised the mayor of London, Sadiq Khan. She will only say that the Queen extended the invitation for a state visit and the government is committed to working with the London mayor.

A vigil to remember the victims of Saturday's attack is being held tonight by City Hall.

London Mayor Sadiq Khan will lead a minute's silence across the capital at 18:20.

James Hartley, a HR manager in the City, crosses London Bridge every morning on his way to work.

He said he would "normally be marching across" but today he took a moment to pause and reflect, looking out from the bridge as the sun shone across the water.

"I'm just taking in the city and thinking about what happened over the weekend and joining with others in thanking the police officers.

"It feels really emotional, more emotional than I thought.

"It makes you appreciate what you have in life and deeply, deeply sad for those who have been affected by it."

The attack in London came less than two weeks after a suicide bomber killed 22 people at an Ariana Grande concert at Manchester Arena. on Sunday night 50,000 people gathered at Old Trafford cricket ground for a benefit concert featuring a host of stars, including Ariana Grande. Here are eight of the most emotional moments from the show.

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Met Police Commissioner Cressida Dick has spoken about the unarmed police officer who tried to stop the attackers.

“He was there off duty, he had finished a day’s work and was having a drink with friends in the market and he witnessed the attack and saw members of the public and our own officers being very severely assaulted," she said.

“Without hesitation, wearing his normal clothes, he dived in and tried to assist.”

She called him “utterly heroic” and said people tried to help him and performed first aid. He was then taken to hospital in a police car.

“It’s hard to pick out individual stories but I am immensely proud of him and what he did,” she added.

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Dr Malik Ramadhan, divisional director of emergency care and trauma at the Royal London Hospital, where 12 of the victims were taken, says people were "startled to the point they couldn't speak", when they came into the hospital.

Dr Ramadhan said hospital staff are preparing for attacks like this. "People are ready," he added. Staff are staying completely sober because they believe there is a heightened risk and may need to help the public.