Police are investigating an incident in Brodrick Road, Hampden Park, Eastbourne, in which a 72-year-old man with a heart condition was attacked by a boy.
It happened at 3.15pm on Friday (9 November) outside a school as the man slowed his car to allow a girl to cross the road ahead of him.
As he did so, he heard a bang on his vehicle, stopped and got out to ask a boy who was nearby if he had been responsible for the noise.
The boy responded by knocking the man to the ground and then kicking him, causing him to sustain cuts and bruises. The victim also suffered shock.
His assailant is described as a white boy in his teens, 5’7″ to 5’9″, of medium build and with fair hair. He was wearing a dark jacket and light grey tracksuit bottoms.
Officers are keen to speak to anyone who saw what happened or who may have other information concerning the incident.
They are asked to provide details online or call 101, quoting serial 822 of 09/11.