The demonstration was large but peaceful — 2,000 flag-waving supporters of President Trump walking and chanting along Bolsa Chica State Beach in California.
Then, they caught sight of the counterprotesters.
The melee that followed Saturday was captured in a profanity-filled video that quickly spread across the nation — a violent episode among dozens of peaceful demonstrations across the country.
When the California scuffle was over, two people had minor injuries that didn’t require medical attention, Capt. Kevin Pearsall of the California State Parks told the Associated Press. Three people were arrested and charged with using illegal pepper spray; a fourth was charged with assault and battery.