Driver Arrested Following Fatal Collision in Cupertino 

November 8, 2026 – Santa Clara County Sheriff's Office officials report that a young child has died following a serious two-vehicle collision Friday afternoon in City of Cupertino. The driver of the other vehicle was later arrested on suspicion of gross vehicular manslaughter.

Shortly after noon on Friday, November 6, Santa Clara County Sheriff’s deputies from the West Valley Patrol Division responded to a major traffic collision at the intersection of North Tantau Avenue and Pruneridge Avenue.

When deputies and emergency medical personnel arrived, they found an adult woman and a young child suffering from serious injuries. Both were taken to a nearby hospital, where the child later died despite lifesaving efforts.

The driver of the second vehicle, an adult man, suffered minor injuries. He was transported to a local hospital. He was treated and later released.

Detectives from the Sheriff’s Traffic Accident Reconstruction Specialist (STARS) Team responded to the scene. Based on the evidence gathered so far, investigators developed probable cause to arrest the driver on suspicion of gross vehicular manslaughter.

"This is a heartbreaking tragedy for everyone affected," said Captain Neil Valenzuela of the West Valley Patrol Division. "Our thoughts are with the child's family and loved ones as they navigate an unimaginable loss."

The investigation remains ongoing as detectives work to determine all the circumstances surrounding the collision.

Anyone who witnessed the crash or has information that may help investigators is encouraged to contact the Sheriff's Office STARS Team at 408-868-6637.

Source: Santa Clara County Sheriff's Office