A wild brawl broke out among a group of swimsuit-clad boaters at a Florida lake over the weekend — in which one man was knocked unconscious and left floating face down in the water, shocking video shows.

The unruly fight happened at Lake Winterset in Polk County, in front of young children relaxing on the lakeside with their families, the Polk County Sheriff’s Office said.

Seven men and a 17-year-old boy were arrested, Sheriff Grady Judd announced Tuesday , as he vowed to make an example out of the hooligans. 5

The dramatic footage starts when one of the men is slugged twice by another before he flops to the ground and appears to be unconscious. Once he went face down, the others started swinging. 5

Punches fly seemingly at random as a woman in a pink bikini attempts CPR on

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