By Jennifer McRae

DENVER (CBS4)– A crash between a Denver police officer and a motorcyclist early New Year’s Day is being investigated. Investigators said the officer was making a U-turn on East Colfax Avenue at Gilpin at 5:45 a.m.

(credit: CBS)

That’s when the motorcyclist behind the SUV collided with the vehicle. That person suffered serious injuries. The officer was not hurt.

A Denver Police Department spokesperson said the collision happened while in the officer’s normal course of duties but it is unclear who is at fault.

Jennifer McRae