Police have appealed to find a man who threatened to stab a couple if they did not let him 'pull' the girlfriend.

The couple, who were both aged 19, boarded a 132 bus in North Greenwich at about 2.20am on 12 March.

The victims got off the bus at Bexley Road, Avery Hill where they were followed by the suspect into Avery Hill Road.

The suspect asked the girl for a kiss and when she said no he tried to grab the girl and kiss her as he pushed the boyfriend away.

He is then reported to have said: “If you don’t let me pull your girlfriend I’ll stab you”, and pulled out a knife.

No-one was physically injured in the incident.

Police would like to speak to two females who were walking nearby and shouted at the suspect during the incident.

A spokesman for the Metropolitan Police said: “The Suspect is described as an Asian Male, 20 to 25 Year Old, 5ft7ins tall and of chubby build.

He had short black hair, a bristly beard, big eyebrows and an "Indian twang to his accent"”.

Any Information please call Crimestoppers on 0800 555 111.