From the Kennewick PD facebook page:

Kennewick police are currently on scene assisting Pasco Police with a rollover Collision on US 395 at the intersection of N Yelm St. Pasco Officers initially attempted to stop a suspect vehicle in Pasco. The vehicle attempted to elude officers and fled into Kennewick where it struck a citizen’s vehicle driving on US395. The suspect vehicle rolled at the intersection. Pasco Police have the suspect in custody and are continuing their investigation. Washington State Patrol is on scene investigating the collision. 3 people were transported to a hospital by ambulance with unknown injuries

The three people, including the driver who has multiple outstanding warrants for his arrest, were taken to Trios Southridge Hospital and treated for minor injuries. This high speed chase is believed to be connected with a Friday night shooting at a Pasco apartment.

This is an ongoing investigation through multiple law enforcement agencies including the Pasco and Kennewick police departments and the Washington State Patrol.