Tacoma officer responded to an illegal street race in downtown Tacoma. 

The crowd swarmed the police cruiser.

The police warned the crowd surrounding the vehicle.

The officer appeared to panic to evade the crowd and struck a group of people.

Tacoma Police are handing off the investigation to the Pierce County Force Investigation Team. 

 A Tacoma, Washington, police cruiser plowed through a group of people after responding to a report of street racing in the downtown district. 

The 42-second video shows at least 100 people at an illegal street racing event around South 900 Block of Pacific Avenue. At the beginning of the clip, dense white smoke can be seen as street racers perform donut maneuvers in the middle of the intersection.