Huntington Beach riot

A man cheers after smashing the sign through the bike shop window. Police would not say whether arrests were made. The violence followed the conclusion of the Vans U.S. Open of Surfing.  (Allen J. Schaben / Los Angeles Times)

At least one bike was stolen Sunday night. Passersby persuaded others to stop looting.  (Allen J. Schaben / Los Angeles Times)

People try to fend off rioters who began to loot the Easyrider retail store on Main Street in Huntington Beach.   (Allen J. Schaben / Los Angeles Times)

Police move rioters away from Main Street in downtown Huntington Beach.  (Allen J. Schaben / Los Angeles Times)

A large group of people gather on the corner of Main and Orange streets in downtown Huntington Beach following the U.S. Open of Surfing.  (Allen J. Schaben / Los Angeles Times)

Police open fire with pepper spray and rubber bullets after giving an order to disperse at the corner of Main and Orange streets in downtown Huntington Beach.  (Allen J. Schaben / Los Angeles Times)

A woman assists a man wincing in pain and attempting to give himself up after being shot with a rubber bullet.  (Allen J. Schaben / Los Angeles Times)

A man winces in pain after being shot with a rubber bullet while confronting a large squadron of police in riot gear on Main Street in downtown Huntington Beach.  (Allen J. Schaben / Los Angeles Times)

After being shot with a rubber bullet, a man continues to confront police in riot gear on Main Street in downtown Huntington Beach.  (Allen J. Schaben / Los Angeles Times)

A man surrenders after being shot with a rubber round while confronting a large contingent of police in downtown Huntington Beach following the U.S. Open of Surfing.  (Allen J. Schaben / Los Angeles Times)

Huntington Beach police officers make a stand at the corner of Main and Orange streets after a store was looted.  (Allen J. Schaben / Los Angeles Times)

People watch from inside a restaurant as a squadron of police in riot gear confront rioters on Main Street.  (Allen J. Schaben / Los Angeles Times)

Police used tear gas and nonlethal weapons to clear the crowd.  (Allen J. Schaben, / Los Angeles Times)

Authorities say the violence was put down in about two hours.  (Allen J. Schaben / Los Angeles Times)

A woman takes photos as police force get into position to fend off rioters along Pacific Coast Highway in downtown Huntington Beach.  (Allen J. Schaben / Los Angeles Times)