From CNBC:
A helicopter crash landed onto the roof of a building in midtown Manhattan and then caught fire on Monday afternoon, authorities said.
The crash occurred atop 787 Seventh Avenue, a 54-story building located between West 51st and West 52nd streets, at the north end of Times Square.
The building, known as the Axa Equitable Center, has tenants including BNP Paribas, Citibank and international law firm Willkie Farr & Gallagher. Workers at the building quickly evacuated.