A series of incidents involving Waymo vehicles marked a tumultuous Fourth of July in San Francisco. Amidst a crowded fireworks display, several Waymo robotaxis experienced significant disruptions, including a vehicle that caught fire. As the festive crowds created extensive gridlock, some Waymo cars became stranded, draining their battery power and necessitating towing. Eyewitness video captured alarming moments, including one vehicle navigating through exploding fireworks. Waymo is now investigating reports of its cars driving over illegal fireworks, with multiple reports of vehicles blocking streets during the celebrations.