10:30 p.m.

New York Police Department Commissioner William Bratton said a plainclothes officer shot in the head Saturday is in stable condition and undergoing surgery.

Bratton said Officer Brian Moore and his partner Erik Jansen were pulling up on Demetrius Blackwell in their unmarked police car to stop and question him because he was acting suspiciously.

Police have said the officers noticed a dip in his waistband suggestive of concealing a handgun.

Bratton said the officers exchanged words with Blackwell when the 35-year-old man turned and fired at least two rounds into the car. Bratton said it was clear Moore and Jansen were police.

The commissioner said Jansen radioed for help and a nearby patrol car rushed Moore to the hospital.

During a search, Blackwell was arrested 90 minutes later in a nearby house.

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9 p.m.

Police say a suspect is in custody in the shooting of a plainclothes New York City police officer who was critically wounded Saturday evening.

A police spokeswoman says a preliminary investigation shows the suspect fired at least two rounds into the unmarked car the on-duty officer was riding in.

Deputy Chief Kim Royster says the unidentified officer was rushed to Jamaica Hospital Medical Center in Queens.

She says officers noticed a pull on the suspect's waistband that may have indicated he was armed and approached him before he turned and fired at them.

City Hall officials say the mayor is at the hospital.

After the shooting police flooded the scene to search for suspects, and officers could be seen walking on roofs and searching house-by-house with flashlights.

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7:30 p.m.

New York City police officers have flooded the area where an on-duty officer was shot and wounded Saturday night.

Authorities say the officer is in critical but stable condition at Jamaica Hospital Medical Center in Queens.

A spokesman for the New York Fire Department says the shooting was reported at 6:15 p.m. in the Queens Village neighborhood.

Helicopters circled the scene hours after the shooting and there was a heavy police presence.

Police say a search for suspects was underway, and officers could be seen walking on roofs and searching house by house in backyards and under cars with flashlights.

The shooting comes less than six months after two NYPD officers were shot and killed in Brooklyn.

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7 p.m.

Police in New York City say an officer has been shot and rushed to a hospital.

Police didn't immediately release the officer's condition. He's been taken to Jamaica Hospital Medical Center in Queens.

A spokesman for the New York Fire Department says the shooting was reported at 6:15 p.m. Saturday at 104 Road and 212 Street in the Queens Village neighborhood.

Police have not yet released further details in Saturday's shooting.