MANHATTAN

* A 32-year-old man was shot and killed yesterday morning while standing in the lobby of a Washington Heights apartment building, police said.

At 10:55 a.m., two men approached the victim inside 556 W. 160th St., firing two shots. The victim, whose name was not released, was struck in the head and body and was declared dead at the scene. Both suspects fled in a white Maxima with New Jersey license plates.

Police had no motive for the murder.

* An elderly man suffering from Alzheimer’s disease has been reported missing, police said yesterday. Candido Mulero, 76, was reported missing by family members who last saw him at 6 p.m. Friday after dropping him off in front of his Washington Heights apartment, at 554 W. 181st St. He is described as 5-foot-6, 145 pounds and was wearing a brown baseball hat, a gray jacket, beige pants and black shoes. He has white hair and brown eyes. Anyone with information is urged to contact the Missing Persons Squad at (646) 610-6914 or the 34th Precinct Detective Squad at 212 927-0823.

BROOKLYN

* An anonymous tip led cops to a the discovery of a badly decomposed body behind an East Flatbush building yesterday, police said.

Cops made the gruesome find around 2:15 p.m. behind 5749 Kings Highway, a building that is currently being renovated, cops said.

The corpse, of a black woman in her twenties, was wrapped in a blanket and bore obvious signs of trauma, law-enforcement sources said. (s, lcf)

* Police are investigating a claim by a 13-year-old girl that a Board of Ed employee who works at an Ocean Hill public school sexually abused her.

The suspect is a guidance counselor at PS 73, at 241 MacDougal St., police said. Officials declined to say when and where the alleged abuse took place, but a police source said that on Friday afternoon, after the victim told her mother about the incident, the mother and her daughter went back to the school and reported the incident to school officials and to police.

* Two alert cops were credited with arresting a would-be rapist who attacked a woman in Sunset Park early yesterday. Police said Jose Clemente, 29, accosted a 47-year-old woman shortly after 5 a.m. on 60th Street, between Third and Fourth Avenues. After beating her head and face, the suspect was about to rape her in front of an apartment building access area. During the attack, Police Officers James Anson and Jose Rivera, of the 72nd Precinct, showed up on routine patrol and arrested Clemente after a brief struggle. He was charged with assault, attempted rape, sexual assault and unlawful imprisonment.

The woman was taken to Lutheran Hospital in stable condition.

* A 22-year-old man was shot and wounded in Bedford-Stuyvesant yesterday morning after being approached by a group of men, police said. The victim was standing in front of 956 Troy Ave. when one of the men shot him in the right thigh and the buttocks. He was taken to Brookdale Hospital. Police are investigating the motive for the shooting.

QUEENS

* A man was found dead on a Queens subway line yesterday, police said.

Just before 6 a.m., transit workers discovered the 52-year-old man lying face up in the last car of an E train that had pulled into the Parsons Boulevard-Archer Avenue station.

Police were uncertain whether the man had been attacked or had stabbed himself. The Medical Examiner’s office is investigating the cause of death.

THE BRONX

* A man was killed in an accident on a Soundview street yesterday afternoon when the motor scooter he was riding collided with a car, police said.

The 45-year-old man was traveling south on Boynton Avenue on his brand new scooter around 3:30 p.m. when he struck a 2001 Ford van going in the same direction on Boynton near Westchester Avenue, cops said.

No summonses were issued to the driver of the van, who was uninjured. The scooter owner was taken to Jacobi Hospital where he was pronounced dead, authorities said. (s, lcf)