At least five people died after a helicopter crashed in New York's East River.
The CNN quoted authorities as saying that the pilot was the sole survivor of the crash, which took place on Sunday.
The New York City Fire Department on Monday said that three of the passengers succumbed to their injuries in the hospital today morning.
"One of the most difficult parts of the rescue was that five people were tightly harnessed," Nigro said. "People had to be cut out."
Nigro and New York Police Department Commissioner James O'Neill said.
The helicopter was hired for a private photo shoot, authorities said.
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