FOUR masked men broke into a jewellers armed with tools and made off with a large amount of valuables.
The men, who were wearing dark clothes and balaclavas or face masks, entered the jewellery shop in Rams Walk, Petersfield and threatened staff before making off with their haul.
They made off in a silver Peugeot 406, which crashed with a marked police car that was responding to the incident.
After the collision in Tilmore Gardens, the offenders ran away towards the A3.
The robbery happened at about 4.30pm on Thursday .
Anyone with information should call Winchester CID on 101.