A teenager was shot to death at a New York City Housing Authority complex in Brooklyn Tuesday evening, cops said.

The violence unfolded at 9 p.m. outside building eight of the Bay View Houses in Canarsie.

Officers found the 15-year-old with a single gunshot wound to the torso, according to the NYPD.

He was rushed to Brookdale Hospital, where he was pronounced dead.

The gunman is still on the run, said police.

Investigators are combing through surveillance video and trying to find witnesses, law enforcement sources said.