The death toll from yesterday's attack in central London has been revised this morning.
4 people have now been confirmed dead in what's being described as Britain's "worst terror incident in more than a decade".
Among those to have lost their lives are two members of the public, a police officer and the attacker.
The number of people injured has more than doubled since yesterdays figures we released, with up to 40 victims still in hospital - however, none of them are reported to be Irish.
Theresa May has called the attack "sick and depraved", and says the country will "never give in to terror".
She held a press conference outside Downing Street last night.
Meanwhile, armed police have raided an address in Birmingham overnight, but it's not yet clear if it's linked to the attack.
A main road was sealed off while what's being described as a "major operation" was underway.
London's mayor Sadiq Khan delivered this message overnight.
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Some of those injuries have been described as 'catastrophic'.
A woman has also been pulled alive from the River Thames. It's not known if she was hit by the car or if she jumped in to avoid the rampage.
The Houses of Parliament were in lockdown following the incident, however staff were soon allowed to leave the buildings.
Scotland Yard has confirmed more police officers will be deployed around the streets of London, and are asking anyone with information as well as photo or videos of the incident are asked to contact them.
Meanwhile, US President Donald Trump has been briefed on the incident.
His Press Secretary Sean Spicer has said they are monitoring the situation.
The Foreign Affairs Minister Charlie Flanagan says: "I unreservedly condemn the attack outside the Houses of Parliament at Westminster today. I deplore the loss of life, and note that the casualties include a police officer killed in the line of duty.
"I wish to extend my condolences and on behalf of my Government, my support to the people of London and the UK. Terror and violence will never triumph over democracy.
"The Irish Embassy and my Department have been active in London, and at this time we have no reason to believe that any Irish citizens have been affected or are persons over whom there are concerns.
"Anyone concerned about family members in London should contact my Department on 01 408 2000, or the Embassy in London on 0044 207 235 2171.”
