“I was pushing the button but it said, ‘step out of the way,’” Guebara said. “It just kept ringing and ringing, and I kept pushing and pushing.”

She thought maybe the robot, which stands about 5 feet tall and has “POLICE” emblazoned on its egg-shaped body, wanted a visual of her face, so she crouched down for the camera. It still didn’t work.

Without a response, Rudy Espericuta, who was with Guebara and her children at the time, dialed 911. About 15 minutes later, after the fight had ended, a woman was rolled out on a stretcher and into an ambulance, her head bleeding from a cut suffered during the altercation.