CONCORD, Calif. (KRON) – The Concord Police Department was investigating a major accident in the downtown area on Friday afternoon.

The accident happened in the area of Galindo Street at Clayton Road.

According to the Contra Costa County Fire Department, reports of a collision involving two cars and a bicyclist were made around 3:36 p.m.

Fire crews arrived to find the bicyclist trapped between a light pole and a car. Several people were treated on the scene.

Officials called for an ambulance and a coroner.

The police department reported that a 16-year-old male pedestrian was hit and killed by one of the cars.

Police say one of the drivers was arrested for vehicular manslaughter.

The roadway was closed in both directions.

Drivers were advised to expect delays and to use alternate routes.

No other details have been released at this time.

Check back as KRON4 learns more.