Police are looking for a teenage boy who attacked a man in his 30s in Plymouth.
Devon and Cornwall Police said the man was attacked on Embankment Road between 19:00 and 19.30 BST on 9 April.
The force said the boy, who was with a group of other teenagers, rode his bicycle directly at the man before punching him in the head and kicking him while he lay on the ground.
Two women came to his aid following the attack, officers said.
Officers said the suspect was about 15, white, and about 6ft 1in (1.85m) tall and wearing dark clothing and riding a dark-coloured bike.
Police said they wanted to speak to any witnesses and they especially wanted to talk to the two women who helped the victim.
