Police in Mesa say a self-driving Waymo vehicle was involved in a major crash Saturday night.

The driver of the Waymo vehicle told Mesa police that the car was not in autonomous mode at the time of the crash. The car was among five others involved in the collision, but nobody was seriously injured. Witnesses say another car failed to stop for a red light and crashed into the Waymo vehicle as it was turning left. According to the Associated Press, the car then struck three other vehicles.

Waymo, whose parent company is Google, did not immediately return a message seeking comment Sunday. Self-driving vehicles have been under fire since an Uber vehicle in autonomous mode killed a woman in Tempe earlier this year. Another Waymo vehicle was also struck by a red-light runner last month in Chandler.