THE BRONX

A love-triangle murder suspect and his correction-officer girlfriend were taken into custody yesterday morning at her Allerton home after a man was shot dead in Queens, authorities said.

Marvin Sanders, 31, allegedly barricaded himself inside 29-year-old Shante Dalton’s apartment on Williamsbridge Avenue at around 3:15 a.m., seven hours after Jamal Leavy, 37, was gunned down on 152nd Street in Jamaica.

According to police sources, Sanders, Dalton and Leavy were enmeshed in a love triangle.

Sanders is suspected of killing Leavy, a convicted drug dealer and thief who served three prison terms.

After the slaying, Sanders allegedly fled to Dalton’s home and holed up there with her and her 5-year-old daughter and 9-year-old son.

When cops arrived to question Sanders, no one would let them, and the NYPD Hostage Negotiation Team was summoned. Sanders released the kids and came out with Dalton at around 9 a.m., authorities said. As of late yesterday Sanders had not been arrested or charged with a crime.

Cops believe this bandit held up nearly 20 banks around Manhattan, police said.

The robber last struck on Monday in Chelsea when he walked into a Sovereign Bank on Seventh Avenue and passed a note to the teller demanding money. He fled with an unknown amount of cash. He robbed another 16 banks, including at least one in the Bronx, since April, 2006.

MANHATTAN

Police busted a deranged man who made a terrorizing phone call to his brother in-law, who had allegedly been beaten 10 years ago by the suspect, authorities said yesterday.

Sandy Miller, 35, was nabbed Sunday night and charged with aggravated harassment, sources said.

Miller was accused of placing a threatening phone call to his brother-in-law’s Lexington Avenue apartment near East 78th Street at 4 a.m. on Oct. 19.

Sources said the victim told cops Miller has a history of mental-health problems.

One club-goer attacked another over an allegedly stolen pocketbook, authorities said yesterday.

Sources said that at 2:20 a.m. Sunday in the Snitch rock-‘n’-roll bar at 21st Street and Sixth Avenue, Ema Swanson, 21, demanded that the 26-year-old victim, from Newport Beach, Calif., return her missing pocketbook, sources said.

When the victim said she didn’t have it, Swanson punched her in the face, cops said. Swanson was arrested on an assault charge.

A security guard caught a thief swiping two cordless phones in an Upper East Side store, authorities said yesterday.

The guard, 42, spotted Kenneth Cobb, 47, trying to conceal the merchandise in the Rite Aid at Second Avenue and 95th Street at 10:40 a.m. last Thursday, sources said. As Cobb allegedly tried to leave without paying, the guard grabbed him. Cobb was charged with possession of stolen property.

Cops captured a hit-and-run driver who critically injured a pedestrian in Harlem, authorities said yesterday.

Dave Patterson, 32, was nabbed last Thursday and charged with leaving the scene of an accident.

Patterson was driving a 2007 Dodge Caliber at 11 p.m. on Oct. 31 when the car slammed into a 53-year-old man at West 144th Street and Adam Clayton Powell Boulevard, cops said. Patterson abandoned the vehicle and ran, cops said. The victim was rushed to Harlem Hospital.

BROOKLYN

An apparently intoxicated man assaulted another man in East Flatbush, knocking out two front teeth, cops said yesterday.

For undisclosed reasons Tremayne Davenport, 23, accosted the 47-year-old victim on Albany Avenue near Rutland Road at 11:15 p.m. Sunday, sources said.

After hitting the victim in the mouth, Davenport fled, said cops, who soon nabbed Davenport.

He was charged with assault, menacing and harassment. The victim was treated at Kings County Hospital and released.

Police tracked down a thug who stabbed a man during an argument over a cellphone charger in Dyker Heights, authorities said yesterday.

Suspect Charles Terzano, 42, exchanged angry words with the 25-year-old man and his female acquaintance after the pair claimed Terzano swiped their charger at 4:20 p.m. on Oct. 26, sources said.

The dispute escalated into a brawl in which Terzano allegedly stabbed the victim in the shoulder and thigh at 13th Avenue and 69th Street. The victim later looked through a police photo array and identified Terzano, who was arrested Saturday on assault charges.

A Bath Beach landlord burned two tenants with cleaning fluid yesterday during an argument over loud music, police and witnesses said.

Landlord Leoncio Dejesus, 62, told Alberto Sanchez, 44, and his girlfriend, in her 50s, to turn down the music in their Bay 16th Street apartment near Bath Avenue at around 9 a.m., witnesses said.

During an ensuing argument, Sanchez went to retrieve a kitchen knife while Dejesus left to unclog a drain with cleaning fluid in another apartment, the witnesses said. Sanchez then confronted Dejesus and threatened him with the knife, cops said.

Dejesus then allegedly threw the liquid into Sanchez’s face, and some splashed the woman’s face.

Dejesus was charged with assault, and Sanchez with menacing. He and his girlfriend were treated for burns at Staten Island University Hospital.

STATEN ISLAND

An eagle-eyed deckhand spotted a snoozing passenger with a loaded Smith & Wesson handgun aboard the Staten Island Ferry, authorities said yesterday.

The ferry worker noticed a wooden gun handle jutting from the right pocket of Tyrone Ford, 26, as the Andrew J. Barberi headed to Staten Island at around 8 a.m. Sunday, cops said.

A spokesman for the DA Daniel Donovan said Ford was charged with weapon possession.