Police are appealing for help to track down a cyclist who headbutted a man to the ground after a near-miss on a pedestrian crossing.

The cyclist ran a red light in Farringdon Street, in the City of London, at about 1.45pm on 22 August, narrowly avoiding a pedestrian. He then headbutted the man in the face and calmly cycled away. The victim, 57, needed stitches to a wound above his eye