A TEENAGER punched a woman before demanding the keys to her car.

The 39-year-old woman was getting into her BMW in Pilsworth Road, Bury, when the attacker hit her over the back of her head.

He ran away without taking the car when a passer-by approached.

Detectives are seeking witnesses to the attack which happened at 2pm on Tuesday. Anyone with information is asked to ring Bury Police on 0161 872 5050.