Officer Keith Mott talks to a man with an open...

Officer Keith Mott talks to a man with an open container of alcohol in pubic, later issuing a warning, as the Los Angeles Police Department patrols Ocean Front Walk in Los Angeles' Venice Beach. (May 5, 2011) Credit: AP

Police in Southern California are gearing up for long days even before summer's unofficial Memorial Day start after one of the city's top tourist destinations, Venice Beach, became the scene of a recent shooting and a stabbing.

Fearing crime could spiral, the authorities have started cracking down on the unruliness that typifies the boardwalk — a 1.5-mile ribbon of asphalt that can draw 150,000 people on a summer weekend.

Patrol reinforcements are being summoned from other divisions, more undercover operatives are being assigned to infiltrate crowds, and detectives are gathering intelligence via social media.

Dozens of people have been arrested for smoking pot and drinking in public, minor transgressions but ones that set the tone of public order on the beach.

Officer injured in Hauppauge crash ... Levittown fatal accident ... Three Kings Day celebration Credit: Newsday

Snow on the way ... Nassau lowers flags for Carter ... Election certification ... LI tattoo artist paints wrestlers' portraits

Officer injured in Hauppauge crash ... Levittown fatal accident ... Three Kings Day celebration Credit: Newsday

Snow on the way ... Nassau lowers flags for Carter ... Election certification ... LI tattoo artist paints wrestlers' portraits

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