A police car was rammed and and officer was hurt after an attempted raid on a petrol station cash machine in Shelf last night.
A woman who had just finished work at Total on Halifax Road rang police at 11.27pm after seeing a Ford Transit Van pull onto the forecourt.
The van, which had been stolen during a burglary in Bradford in August, was joined by a silver Land Rover, which had been stolen from Batley earlier that evening, and a silver Mitsubishi Evolution.
The culprits pulled off the front of the cash machine but were disturbed by police arriving before they could get inside.
The Evolution drove off, followed by two police cars, the Land Rover and another police car.
The Mitsubishi crashed into two of the police cars in Norwood Green.
The Land Rover, which was following then rammed the other police car.
One police officer suffered minor injuries.
The people inside both the Land Rover and Mitsubishi escaped.
Detectives say there have been similar incidents in Bradford.
Detective Inspector Ashley Hewitt urged anyone who was in the area at the time or saw the pursuit to call police.
He said officers believe the culprits were waiting for the petrol station to shut, and so could have been around the area before the attack.
Anyone who can help should call Calderdale CID on 01422 337085 or via 101.