FLORISSANT, Mo. (AP) — An investigation is underway after a suburban St. Louis police officer was struck by a car and critically injured.

The accident happened at 7:55 a.m. Monday at the intersection of Old Jamestown Road and Highway 67 in north St. Louis County. St. Louis County police say an officer with the Bellefontaine Neighbors Police Department was involved in a minor accident involving the officer’s personal vehicle.

The officer got out to speak with the other driver and a third vehicle struck the officer.

Specific details about the officer’s injuries were not released.