A California man with cerebral palsy captured the moment a food delivery robot repeatedly collided with his mobility scooter in a video that has since gone viral.

Mark Chaney, a therapist in West Hollywood, said he was on his way home from a procedure on Friday, Sept. 12, when he encountered a delivery robot that he described as "acting erratically," he told news agency Storyful.

"Son of a b----," Chaney says in the video as he frustratingly tries to pass the robot before the two collide. "Oh my god. Seriously?"

Chaney had been riding his mobility scooter due to his cerebral palsy , he said.

"The robot kept blocking me from passing and when I did finally pass, it cut me off and then stopped, causing my scooter to hit the back of the 'bot, and then it backed into me," Chaney told

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