BROOKLYN

* An NYPD traffic-enforcement agent was busted for stabbing his girlfriend in the neck inside their Brownsville home, police sources said yesterday.

James Curry, 52, allegedly knifed the 38-year-old woman at their Thomas Boyland Street home at 8 p.m. Sunday, sources said.

The victim, whose name was withheld, went to Brookdale Hospital for treatment.

MANHATTAN

* A quick-thinking subway clerk yesterday helped police nab a man suspected of mugging and robbing Upper West Side straphangers.

Geofferey McClanahan, 35, a resident of a Brooklyn homeless shelter, was arrested and charged with stealing cellphones and other belongings from passengers after a clerk at the West 137th Street/Broadway subway station booth recognized him as a suspect from an earlier robbery.

The clerk – who was not immediately identified – called police at 1 a.m. and said McClanahan was a “regular” on the 1 and 9 line, and she had seen him fleeing after the last robbery.

Transit Bureau detectives responded and apprehended McClanahan as he attempted to flee down subway tracks, authorities said.

Police said McClanahan was charged with two robberies on Feb. 14, when he allegedly snatched a DVD player from a 42-year-old man at the 137th Street station and a cellphone from an 18-year-old woman at the 116th Street station.

He also was charged with a Feb. 17th cellphone robbery at the 96th Street station, where he allegedly wrestled with its 26-year-old owner and said, “It’s not worth you fighting for it.”

Police said McClanahan, who has a lengthy arrest record, was also charged with cocaine possession.

QUEENS

* Police yesterday were investigating the fatal shooting of a man on an Astoria street.

Cops responded to a call of shots fired in front of 18-35 26th Road about 11:50 p.m. Sunday and discovered Jamal Hathaway, 36, with several gunshot wounds to the back, authorities said.

Sources said Hathaway, who had previous drug arrests, was pronounced dead at the scene.

His mother told The Post he was about to get married and become a father.

* A man was shot and critically wounded after he was ambushed on a Saint Albans Street, authorities said yesterday.

The 21-year-old victim, whose name was withheld, was walking home from work at Jordan Avenue and Hannibal Street about 6:10 a.m. Sunday when an unidentified man jumped from behind a parked van and fired multiple shots, police sources said.

The victim was struck in the chest, but was able to make his way to his nearby apartment, from where his mother took him to Jamaica Hospital. He was listed in stable condition.

Police said the gunman fled in a green car.

THE BRONX

* A 19-year-old Co-op City woman has been arrested for setting fire to her apartment after a fight with her mother, police sources said yesterday.

Cops smelled smoke when they arrived at 4160 Hutchinson River Pkwy. at 7:35 p.m. Sunday after being called to investigate a report of a woman threatening her child with a knife, sources said.

Once the officers got to the second floor, they saw smoke in the hallway and called the Fire Department, sources said.

While they evacuated residents, the woman who called 911 approached them and told them her daughter, Elica Wilder, 19, had set a fire in her apartment after an argument with her about her 3-year-old daughter, police sources said.

Cops found Wilder in the building’s lobby and arrested her. She was charged with arson, endangering the welfare of a child, criminal mischief and reckless endangerment.

Police sources said there was one previous domestic incident at the Wilder home.