POLICE are appealing for information after cars were targeted in a spate of smash-and-grab thefts.

Thieves stole a satellite navigation system after breaking into an Audi A4 when it was parked at Bolton College in Manchester Road, between 4pm and 4.45pm on Thursday.

Another sat-nav system was stolen from a Rover 400 car which was parked in Bridge Street, Bolton, at around 1.45pm on Friday.

On the same day, between 7pm and 7.30pm, thieves broke into a Mercedes CLK in Silverwell Lane, Bolton, and stole a suitcase containing clothes.

Then between 4pm and 5.45pm on Saturday thieves smashed into a Ford Focus parked in Churchgate, Bolton, and stole a large amount of camera equipment.

Police have warned motorists not to leave valuables on display in their cars.

Anybody with information is asked to call police on 0161 872 5050 or Crimestoppers, anonymously, on 0800 555 111.