Several Waymo vehicles had to be towed away after the company said their batteries died while they were stuck in heavy San Francisco traffic amid Fourth of July celebrations.

In the hour leading up to the Fourth of July fireworks show off the Golden Gate Bridge on Saturday, the sky turned violet in the fog. Tens of thousands of people hurried through the Presidio, where snarled roadways transformed one of San Francisco’s signature parks into a parking lot.

A passenger in a San Francisco Waymo vehicle was recording as the car failed to detect a lit firework and drove over top of it. The incident comes as the robotaxi provider had to tow other cars in its fleet after their batteries died in heavy holiday traffic.

Fourth of July celebrations saw several of Waymo's autonomous vehicles suffer operational failures amid the holiday gridlock.

In the Arizona city, users can no longer request a Waymo through Uber. The change represents a larger battle over who will control the future of robotaxis.

The Waymo self-driving cars deployed in Phoenix for the Uber pilot will remain in use and make autonomous deliveries with DoorDash.

Waymo is tweaking the in-car experience to get into the festive spirit for the Fourth of July.

The companies confirmed to TechCrunch that their unusual partnership in Phoenix recently ended after nearly three years..

Waymo and Uber struck a deal to collaborate in 2023, with Waymo's autonomous vehicles get added to Uber's fleet for ride-hailing and delivery services.