• BREAKING: A man has been shot at the entrance of parliament after attacking a policeman with a knife

• Car rammed into gates outside parliament

• Incident on Westminster bridge, eyewitnesses say several hit by car. Graphic video:

A car on Westminster Bridge has just mowed down at least 5 people. pic.twitter.com/tdCR9I0NgJ

— Radosław Sikorski (@sikorskiradek) March 22, 2017

• UPDATE: Commons Leader David Lidington says a police officer was stabbed and the assailant was then shot. Says there are reports of further violence in the vicinity of parliament.

Firearms incident near #Parliament: This statement has just been given in The Commons. Latest on Sky News pic.twitter.com/KUbrBaJIh0

— Sky News (@SkyNews) March 22, 2017

• Theresa May was in voting lobby at time of attack. She and other ministers have been evacuated.

• UPDATE: Richard Tice tells Sky between 8 and 10 people are lying prostrate on the ground on Westminster Bridge. Car “drove along pavement knocking people over”.

• WARNING GRAPHIC IMAGES: Via Reuters

Photos by Toby Melville show injured people in an incident outside British parliament https://t.co/q2Z1RCh2hx pic.twitter.com/C9yAT2qiYz

— Reuters Pictures (@reuterspictures) March 22, 2017

• Scotland Yard say they are treating it as a terrorist incident

• UPDATE: Press Association says one woman dead, several others with “catastrophic” injuries

• Tory minister Tobias Ellwood gave CPR and mouth-to-mouth to the wounded policeman. Pictures here.

• First photos of the attacker here.

• UPDATE: BBC reports the policeman has died.