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SACRAMENTO — A large brawl broke out Sunday at Raging Waters in Sacramento, according to police.

“We came here, having a great time. Unfortunately, it ended soon,” said Gonzalo Bustante.

What was supposed to be a day of family fun for dozens of families at Raging Waters at Cal Expo quickly took a turn for the worse.

“Big group yelling back and forth to each other and they started getting a little physical,” Bustante told FOX40.

Bustante was with his family when he saw two large groups with more than a dozen people on each side getting into a huge brawl.

“Next thing I see a chair getting broken over some guy’s head,” he explained.

Everest Robillard with the Cal Expo Police Department confirms they received reports of the altercation around 3:30 p.m. inside the park.

“One person was down on the ground semi-unconscious,” Robillard said. “We provided CPR and first aid on the scene.”

Robillard confirms the man injured is 35-year-old Christopher Neves from Modesto. Police confirm Neves has regained his heartbeat and is still recovering in the hospital, along with his mother.

“She wasn’t assaulted, she was just emotionally excited about it, had asthma, seizure,” he said.

“I can’t even take my kids to a water park without something crazy happening,” said witness Skyler Lemmons. “It doesn’t make me feel safe to go anywhere.”

Families were forced to leave the park after it closed early for the day. People escorted out of the park were all given passes to return another day as officials worked to figure out what caused the violent altercation.

“I took my kids and my nieces away. They were going everywhere, so anything could have happened. Apparently, some kids were getting hurt,” Lemmons said.

Police say they are still doing interviews to figure out if charges will be filed.