A man dressed in pajamas has jumped to his death from the roof of the 750ft Deutsche Bank Center - before plunging through the front of the Mandarin Oriental.

The victim was sliced in half before hitting the busy New York City sidewalk outside the apartment complex where Jay-Z, Cynthia Nixon and Gisele owned apartments.

The incident occurred at the prestigious right-hand tower of 80 Columbus Circle, formerly the Time Warner Center, address in Midtown at 9:06pm according to police.

'The marquee cut him in half,' a building employee said, who added the man was dismembered with an arm found across the street.

A person has died after falling to their death from the 750 feet tall Deutsche Bank Center roof before plunging through the Mandarin Oriental Hotel

The unnamed man was sliced in half before hitting the busy New York pavement outside the apartment complex where Jay-Z and Tom Brady live

The Mandarin Oriental Hotel Marque is believed to have cut the victim's body in half

The incident occurred on Thursday at the twin luxury glass tower building where apartments can sell for $19 million

A police officer at the scene said the man was wearing pajama bottoms, a print T-shirt and slippers.

But he is not believed to have been a guest at the hotel, which lies on the top 19 floors of the 55-storey Deutsche Bank Center tower, yet is understood to have taken a service elevator to the roof before jumping, police sources revealed.

The unidentified man was pronounced dead at the scene. Grisly images showed the body covered in a blanket on the sidewalk.

Glass and debris could be seen around the corpse, which lay on the street outside the twin luxury glass tower building which used to host CNN's newsrooms and where apartments can now sell for $19 million.

The New York Police Department told DailyMail.com the victim's identity was not yet known and that the investigation is still ongoing.