BOISE (KTVB) - The Ada County Sheriff's Office is investigating a crash that involved a Boise police officer Tuesday afternoon.

A Boise police sergeant on scene said the officer was eastbound on Emerald Street. He was driving an unmarked pickup.

The officer had a green light and entered the intersection at Curtis Road.

The sergeant said a vehicle heading southbound on Curtis hit the pickup as the officer entered the intersection.

The driver of the southbound vehicle was taken to a hospital to be evaluated for a head injury.

The officer was checked out on scene, the sergeant said, but would be able to go home Tuesday.

According to the sergeant, a preliminary investigation indicates a possible red light violation by the southbound driver, but the crash is still being investigated.

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