Uber has suspended its self-driving-car tests in Pittsburgh and Arizona after a big accident over the weekend

Uber has suspended its self-driving-car pilot programs in both Pittsburgh and Arizona after one of its vehicles was involved in an accident late Friday night.

One of Uber's self-driving Volvo SUVs flipped onto its side following the accident in Tempe, Arizona. A photo of the aftermath showed another car in the background with dents and smashed windows.

A Tempe police spokesperson told Bloomberg that the Uber vehicle was not responsible for the crash and there were no injuries.

Following the accident, Uber said it had grounded its self-driving-car program in Arizona. But an Uber spokesperson told Business Insider that it actually suspended its programs in all three of the company's testing areas - Pittsburgh, San Francisco, and Arizona - following the accident.

The spokesperson said Uber's self-driving-car tests will resume in San Francisco on Monday, but remain grounded in Arizona and Pittsburgh. However, the self-driving cars in San Francisco will no longer be picking up passengers.

This story is developing.

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