A red flag usually means one thing at the beach: stay out of the water. But during Storm Austen in England, a warning sparked something else entirely—a fistfight.

Footage circulating online shows an altercation at Polzeath Beach on Friday, October 23, after a family with two young children ventured into dangerous surf carrying bodyboards.

According to CornwallLive , the parents and children were wearing wetsuits when a man approached them near the shoreline shortly before 2 p.m., apparently concerned about the conditions. Instead of backing away from the sea, the father reportedly ran toward the passerby, raised his fists, and struck him.…