helicopter crash

One of the deceased is reportedly a billionaire coal-mining tycoon from West Virginia. The others have not been identified.

Police and emergency teams responded to calls regarding a crash landing on top of a 54-story office building in midtown Manhattan.

Thick plumes of smoke were seen in midtown Manhattan Monday afternoon after a helicopter made a hard landing on top of a 54-story office building.

There were reports of at least one fatality.

Tributes were paid to young couple who died following the the "best day of their lives."

The pilot, named as William "Bill" Denio, was hurt in the crash but is now in a stable condition.

There have been four accidents involving U.S. military aircraft this week, two of which have been fatal.

Helicopter went down during routine training exercise in southern California.

Pilot desperately tried to save pair from wreckage after helicopter plunged into ocean.

The five passengers who died were between 26 and 34 years old, police said.

"The pilot freed himself. The other five did not," FDNY Commissioner Daniel Nigro said.

It was unclear how many people were on board.

Eyewitnesses reported seeing the helicopter's rotor blade come loose and shear off.

The helicopter, lost on an earthquake relief mission, was found high on a mountainside in Nepal with three bodies recovered and five feared dead.

Reports from the field indicated the helicopter's crew was overheard talking about fuel problems.