Four people have died and 40 people have been injured in a terror attack near the Houses of Parliament. Here is what we know so far.
At 14.40 GMT a single attacker drove a car over Westminster Bridge, near the Houses of Parliament in central London, killing at least two pedestrians and injuring many more.
The car then crashed into railings outside the Houses of Parliament.
The attacker, armed with a knife, ran to Parliament where he was confronted by the police. One officer, PC Keith Palmer – who was not armed – was stabbed and killed.
The attacker was shot dead by armed officers.
What was the scene like?
Witnesses have described pandemonium and panic.
One, Richard Tice, said he was coming out of Westminster Tube station at about 14:45 and was ushered by police onto Westminster Bridge.
He saw people lying on the bridge being tended to. He was told that a car had mounted the pavement and driven the whole way, from south to north, across the bridge, knocking people over.
“I counted eight people the length of the bridge, from south to north – at least eight.”
Who were the victims?
The police officer who died was PC Keith Palmer, 48, of the Parliamentary and Diplomatic Protection Command. He had 15 years’ service and was a husband and a father.
Aysha Frade, who worked at DLD College London, was killed after being hit by the attacker’s car…