After more than four months of investigation, 20 people have been arrested in connection with this summer's rioting after a major pro surf contest in Huntington Beach, police said.
The rioting started after a fight broke out July 28 across from the beach where thousands of spectators had gathered for the popular nine-day U.S. Open of Surfing.
The crowd toppled portable toilets, threw items from rooftops and smashed car windows along the popular downtown strip lined with restaurants, bars and surf and skate shops.
Police fired pepper balls and rubber projectiles to break up the melee. Some 250 officers responded to the disturbance.
One person was treated for injuries at a hospital after apparently being hit by a flying bottle and one of the rubber projectiles, police said.
Since then, detectives have collected what they said were "vast amounts of evidence" with the help of tips from the community to identify those responsible.
"To date, we have been able to arrest everyone involved that we have be able to identity," the Huntington Beach Police Department said on its Facebook page.
Authorities have made felony and misdemeanor arrests for possession of stolen property, vandalism, inciting a riot, participating in a riot, assault on a peace officer, vandalism, assault with a deadly weapon and arson.
Others were being investigated for drunken conduct and failure to disperse.
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