A suspected knifeman has been arrested in a dramatic police operation in Birmingham city centre this afternoon.

Footage of the incident (above) shows officers remove what appeared to be a knife from the man's body.

The incident happened in New Street, near to the city's New Street railway station , around 1.15pm.

British Transport Police say the incident was believed to be "drug related."

Officers appeared to point a Taser at the man who was seen to lay on the ground motionless.

A support unit arrive from the direction of Corporation Street a major shopping area.

Further updates will follow below.