16/06/2017 12:04 BST | Updated 16/06/2017 12:12 BST

Houses Of Parliament 'Locked Down' After Man Arrested By Armed Police

A man was reportedly tasered outside the Houses of Parliament on Thursday amid claims he may have been armed with a knife.

Pictures on social media show the man being restrained by armed officers shortly before 11.30am.

"There were shouts of 'knife, knife, knife' and man was brought down with a Taser," Evening Standard reporter Joe Murphy wrote on Twitter.

The Metropolitan Police said the man, aged in his 30s, was arrested on suspicion of possession of a knife.

It said no one was injured during the incident.