An officer was hurt when an unmarked police car ploughed into a tree after colliding with another vehicle, closing a Calmore street.

POLICE took drastic action to arrest a motorcycle crime suspect - using an unmarked car to knock him off the bike as he fled.

Poloce are appealing for information after the car crashed and sped away through Littlehampton.

Most Illinois drivers likely know you need to pull over when a police officer initiates a traffic stop, but what if the car is unmarked? Regulations on unmarked law enforcement vehicles vary by state.