An elderly man was punched to the floor by a heavily built cyclist after challenging him when he rode through a crowd of people.
Police said the 70-year-old victim was waiting for a bus in Parkway at around 4.55pm on September 17 when the attack happened.
The man on the bike punched the victim in the face during the confrontation before riding off. The pensioner was knocked to the ground and was helped by other members of the public.
He was treated in hospital for the facial injuries as well as a fracture to his leg.
The suspect is described as white, of heavy build, 30-40-years-old. He wore a white t-shirt.
Anyone with information is asked to contact Pc Karyn Daniels at Chelmsford police station on 101.
