Police have tasered a man after a stabbing at Leytonstone Tube station this evening.

Officers were called around 7pm today (December 5) to a stabbing and a man threatening people with a knife at the station.

In videos posted online, a pool of blood can be seen next to the ticket barriers.

A Met spokesman said: "Police were called at 7.06pm on Saturday, December 5, to reports of a stabbing at Leytonstone underground station.

"The male suspect was reportedly threatening other people with a knife.

"Met officers attended the scene.

"A man was arrested at 7.14pm and taken to an east London police station where he remains in custody.

"A taser was discharged by one of the Met officers. 

"Officers from British Transport Police are now dealing with the incident at the scene.

"We are aware of one man having sustained serious stab injuries.

"We await details of any other injuries."

A man remains in police custody.

Transport for London (TfL) said there are delays on the Central line after the incident.

Steve Griffiths, London Underground's Chief Operating Officer, said: "Leytonstone station is currently closed whilst the police investigate an incident that occurred earlier.

"We're assisting the police as necessary and will reopen the station as soon as possible."