The killer responsible for a terror attack in London yesterday was known to MI5, Prime Minister Theresa May has revealed
Speaking in the House of Commons this morning, the Prime Minister said the attacker had been investigated by MI5 over concerns about violent extremism.
She also disclosed that he was British born.
"The man was British born and some years ago he was investigated by MI5 in relation to concerns about violent extremism," she said.
She described him as a 'peripheral' figure, adding: "He was not part of the current intelligence picture."
During her speech, the Prime Minister said the act of terrorism was a bid to 'silence democracy' but had failed.
"Today we meet as normal as generations have done before us," she said.
"We are not afraid and our resolve will never waiver in the face of terrorism."
She also revealed that an eighth arrest had been made over the attack.
PC Keith Palmer died in the attack after he was stabbed.
Aysha Frade, a Spanish teacher and mother of two, and a man in his 50s, who has not yet been named, were mown down on Westminster Bridge.
A total of 29 people were treated in hospital following the attack, with seven remaining in a critical condition today.