Officers with the California Highway Patrol are in pursuit of a driver on the northbound 605 Freeway.
The chase reportedly started when police broke up a street takeover. The driver has been clocked at speeds of 150 miles per hour, splitting lanes in traffic and blacking out the headlights.
CHP patrol cruisers are working to catch up to the suspect, while they track the driver from the air.
Sky5 is overhead.