Three men were hospitalized on Wednesday after lightning struck Haulover Beach in Miami-Dade County, Florida, America’s largest public nude beach, The Miami Herald reports.

Officials say the lightning hit the beach at about 4:15 p.m., knocking two men in the water unconscious and sending a third on the shore into cardiac arrest.

“We had just closed the beach because of a lightning strike in the area 10 minutes beforehand,” Lt. Matthew Sparling of Miami-Dade Fire Rescue told NBC News. “We were in the process of clearing the area when the strike occurred.”

According to the Herald, one of the victims was treated at the scene and airlifted to a nearby trauma center. The two other victims were sent to area hospitals and are expected to recover.

“It looked like people were just relaxing in the water,” a witness told WSVN, “and I thought to myself, ‘Why are people just hanging out in the water after that happened?’ But they were really kinda paralyzed. They couldn’t move, and then there was some guy face down in the water.”

[Image via Flickr/osseous]