A police car was damaged during a high speed pursuit overnight on the A55 near Bangor.
North Wales Police officers were pursuing a white Audi which had been stolen in a knifepoint robbery in Manchester.
During the pursuit the driver of the Audi rammed the police car and managed to continue before crashing.
The driver was arrested by police and also found to be over the alcohol limit and tested positive for cocaine. Police also recovered knives from door pocket of the vehicle.
There are no reports of injuries to any of the officers involved in the incident, although the police car appears to be badly damaged.
Photos: PC Scott Martin, North Wales Police