A Port Chester police officer was injured Friday while trying to stop a person from stealing a vehicle that was left running and unattended.

Police say the incident happened just before 3:30 a.m. on Putnam Avenue.

Officers tried to stop the vehicle as it went into Port Chester, but the driver refused to stop. A police car was struck on the passenger side, causing the vehicle to go off the road and crash into a tree.

The injured officer was treated at a nearby hospital.