Brooklyn

Two Sunset Park club patrons were arrested after they attacked a fellow customer and a security guard, authorities said yesterday.

Alberto Ruiz, 20, clashed for unknown reasons with the 23-year-old patron in the club on Third Avenue near 50th Street at 1:40 a.m. Monday, cops said.

Ruiz allegedly struck the patron in the face with a bottle.

Security booted Ruiz and his accomplice, Oscar Morales, 27, from the club, cops said.

As the two tried to get back inside, they got into an altercation with a guard and hit him with a belt and their fists, cops said.

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A former parking-garage worker threatened to kill his ex-boss with a screwdriver in East Flatbush, cops said yesterday.

Hilary Louison, 44, did not pay to park his car at the garage on Ralph Avenue near Prescott Court at 5:18 p.m. Monday, cops said.

His ex-boss called 911 and police ordered Louison to move his car. The cops then left.

But after Louison removed his car, he got into an argument with his ex-boss and threatened him with the screwdriver, cops said.

The victim called police again, and Louison was busted.

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A man was shot dead yesterday in Bushwick, cops said.

Simon Sellman, 26, who has several drug arrests, was shot in his arms on Hancock Street near Knickerbocker Avenue at about 3 a.m., when a gunman approached, opened fire and fled, cops said. Sellman died at Kings County Hospital.

Manhattan

A Harlem school safety officer was arrested for groping a female student, police said yesterday.

The 16-year-old was in the stairway of Frederick Douglass Academy on Adam Clayton Powell Boulevard when, police say, Kashawn Hargett, 22, grabbed her.

He was charged with forcible touching and endangering the welfare of a child.

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A violent thief robbed an elderly woman during an East Harlem home invasion, police said.

José Jimenez, 39, allegedly followed the 89-year-old woman up a flight of stairs to the door of her apartment on First Avenue near East 124th Street at 8:30 a.m. Thursday.

He shoved her inside, swiped $30 and snarled, “Shut up or I’ll beat you,” sources said.

He allegedly grabbed her forearm, tearing her skin, and ran off.

Three days later, Jimenez was busted on robbery charges after the victim identified him in a photo array.

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A pack of thugs robbed three teens of their money and MP3 players in Central Park, police sources said yesterday.

The assailants, 16 to 18, mugged two boys, 15 and 16, and an 18-year-old girl just inside the park at West 110th Street near Malcolm X Boulevard at about 8:30 p.m. Friday.

Staten Island

A ski-masked gunman swiped bottles of Percocet and OxyContin after barging into an Eltingville drugstore, police sources said yesterday.

The thief, brandishing a black handgun, stormed through an open back door of the Eltingville Pharmacy on Richmond Avenue near Oakdale Street at about 6:15 p.m. Friday.

He walked behind the counter, demanded narcotics from a 63-year-old worker, snatched the bottles of pills and fled.

No one was injured.

Bronx

Detectives are investigating the murder of a man found shot to death on a Bronxdale street.

The body of the unidentified victim was discovered with a gunshot wound to the head on Barnes Avenue near Waring Avenue at 2 a.m. yesterday.

Police are still trying to determine his identity and a motive for the crime.

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Investigators are searching for two thieves who robbed a livery driver at knifepoint in Morris Heights, police sources said.

The driver picked up two men on Grand Concourse near 183rd Street at 3:50 a.m. Sunday.

The passengers asked to be taken to West 181st Street and Aqueduct Avenue. When they got to the location, one perp whipped out a large kitchen knife and demanded cash.

His cohort punched the driver in the face. Both then grabbed $240 and ran.

The victim suffered minor cuts.

Queens

A man was killed and two friends wounded in a drive-by shooting yesterday after the victims left a house party in Jamaica, cops said.

The victims, 19 to 29, were shot in various parts of their bodies on 167th Street near 109th Avenue at about 2:30 a.m., when a black car rolled up and one of the occupants opened fire.

The 19-year-old died later at Jamaica Hospital.

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A 13-year-old girl told cops she was raped in broad daylight in Jamaica, police said yesterday.

Authorities are looking into her claim that a man grabbed her and pulled her into a yard on 122nd Avenue and attacked her on May 26. Jamie Schram, John Doyle Kirsten Fleming, Jessica Simeone