The man, both wearing woolly hats, black hoodies and black jogging bottoms attacked the female officer as she made her way to the High Street bank at 10.45am. The pair stole the cash box she was carrying before taking off in a small, grey car, A police helicopter is currently searching for the vehicle. A Cambridgeshire Police spokesman said: We found the cash box in Crosshall Road, 500 metres from Eaton Oak pub just before midday. We are still looking for the car and are working with other forces. Anyone with information should call Crimestoppers on 0800 555111 or police on 0345 456456 4.