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Story summary
- Waymo robo-taxis blocked San Francisco streets for hours after the July 4 fireworks show.
- Two Waymo vehicles were towed after their batteries died in the jam.
- One Waymo rolled over fireworks, caught fire, and stalled, prompting passenger Rose Peterson, 30, to exit.
- Officials labeled the incident an “edge case,” an unscripted scenario Waymo’s system was not trained for as the service expands.
