Officers responded shortly after 3 a.m. to the crash reported in the area of Sonoma Boulevard and Valle Vista Avenue and arrived to find a vehicle that had crashed into the rear of an unoccupied car parked on Sonoma Boulevard, according to Vallejo police.
The three men in the car were all pronounced dead at the scene and their names were not immediately available.
Police said the cause of the crash is under investigation and pending toxicology results.
Anyone with information about the case is asked to contact Officer Brad Kim at (707) 648-4329 or Brad.Kim@cityofvallejo.net.
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