The vehicle in a fatal crash last week in California was operating on Autopilot, making it the latest accident to involve a semi-autonomous vehicle, Tesla confirmed.

A self-driving car being tested by Google struck a public bus on a Silicon Valley street, a fender-bender that appears to be the first time one of the tech company’s vehicles caused a crash during testing.

A self-driving car being tested by Google and a public bus were in collision in California, an accident report revealed.