A law enforcement official also confirmed footage to The New York Times showed the gunman walking towards the building wearing sunglasses and carrying the rifle. The suspect shot and killed a NYPD police officer and at least two others, sources told AP, though police have not confirmed the number of those injured or killed.

Wesley LePatner, age 43, an executive at global investment firm Blackstone and a mother of two who graduated from Yale University. (See related story.)Another shooting victim, an NFL employee, is hospitalized with what NFL Commissioner Roger Goodell described as sustained serious injuries.

A police officer and three other people were shot and killed, and one other injured, by a crazed gunman who stormed a swanky Midtown skyscraper early Monday evening — before turning the gun on himself,

Multiple casualties as gunman opened fire in the lobby of the midtown Manhattan building on Park Avenue that is home to the Blackstone investment firm and other corporations before moving to other floors.

Four people were killed, including an off-duty New York City police officer, when a gunman opened fire in an office tower before fatally shooting himself, officials said.

Didarul Islam, 36, was fatally shot during Monday’s Midtown Manhattan shooting. Sources say the off-duty NYPD officer was married, and his wife is eight months pregnant.

The New York City police officer who was among four victims of a shooting in midtown Manhattan on Monday was a father of two, and his wife was pregnant with their third child, authorities said.

Exclusive new video obtained by The Post shows an off-duty NYPD detective duking it out with a maniac on a sidewalk who had been throwing food at her in a Midtown Starbucks this week, authorities ...

New video shows an off-duty NYPD detective sparring with a madman who was throwing food in a Midtown Starbucks this week, authorities said.