UPDATE 1:44 a.m.
NEW YORK (AP) -- All five passengers have been killed in a helicopter crash into New York City's East River.
A spokesman for the New York City Police Department confirmed the deaths to The Associated Press early Monday morning.
Police say a sixth person, the pilot, freed himself and was rescued by a passing tugboat on Sunday night.
The helicopter was being chartered for a photo shoot when it went down near Gracie Mansion, the mayoral residence.
Police and fire department divers pulled the five passengers from the helicopter.
Video posted on Twitter shows a red helicopter land hard in the water and then flip on its side as its rotors beat the water.
A helicopter has crashed in New York City's East River.
A Federal Aviation Administration spokeswoman says the Eurocopter AS350 went down just after 7 p.m. Sunday in the waterway just north of Roosevelt Island and is "reportedly inverted in the water."
It was not immediately known how many people were aboard the aircraft at the time.
According to the Mayor's spokesman: At least 2 dead, 1 rescued from crashed helicopter in New York City's East River.
Video posted on Twitter shows a red helicopter land hard in the water and then tip over as its rotors slap at the water.
The FAA and the National Transportation Safety Board are investigating.
No other information has been released.