Detectives are appealing for witnesses and dash-cam footage after two men on a motorbike hijacked a moped.

The two robbers, both wearing crash helmets, knocked the rider, aged in his 30s, from the moped before one of them rode off on it.

The incident happened in Littlebrook Manorway, Dartford.

Both rode off in the direction of Farnol Road.

The driver of the red motorbike was wearing a dark-coloured helmet, jacket and trousers.

The passenger is described as 5ft 9in and wearing a dark-coloured helmet, jacket and trousers.

Officers are keen to speak to anyone with information about the incident, which happened between 6.30pm and 7pm last Thursday, or the possible identity of the suspects.

Witnesses are asked to call the appeal line on 01474 366 149 quoting reference number XY/64771/17.