The "active shooting incident," which occurred on the N subway line at 36th Street, was committed by a man who donned a gas mask and opened fire, Sewell said.

At least 10 people were shot at a Brooklyn subway station, authorities said, and the suspect is still on the loose. Follow here for the latest live news updates.

The NYPD gave an update on the subway station shooting in Brooklyn, NY, where several people were shot.

Suspect aboard a Brooklyn subway train donned a gas mask, set off a smoke canister and opened fire, officials say. The NYC shooter is still at large. NYPD is searching for suspect.

The “active police incident” was declared after the shooting, with the NYPD warning people to avoid the area of 3rd Avenue to 5th Avenue from 20th to 40th Street.

The "active shooter" incident unfolded on a Manhattan-bound N subway just before 8:30 a.m. ET as the train approached the 36th Street station in Brooklyn's Sunset Park neighborhood.

At least 29 were injured in the attack around 8:30 a.m. on a Manhattan-bound N train at the 36th Street station in Sunset Park, where authorities found several undetonated devices.

At least 28 people were injured, 10 of them shot, and the gunman is still on the loose after a New York City subway attack during the Tuesday morning rush hour commute, according to Empire State ...

The shooting has led to rewards, a re-examination of subway cameras and New York's mayor telling America about gun control.

At least 13 people were injured, with five shot, in a subway station in the Sunset Park neighborhood of Brooklyn.

One security expert says the New York City subway system will always be an attractive target for criminals.