An investigation's underway after a police car was involved in a collision on they way to an emergency callout in Wellington

A police spokesperson says the car was responding to a 111 call around 4.30am when it collided with another car at the intersection of Ghuznee and Victoria Streets.

There were no injuries but tow trucks had to be called for both vehicles.

Another police car was sent to handle the 111 callout which was for a family harm event.