The man who killed four in a mass shooting at 345 Park Avenue bought the gun from his supervisor at a Las Vegas casino.

Employees at firms including Blackstone and KPMG hid and set up barricades during the gunman’s rampage.

Sebije Nelovic, who for 27 years has cleaned the Manhattan office building that was the site of the shooting, was dusting a ...

The glittering skyscraper where hundreds work became the scene of New York City’s deadliest gun attack in 25 years when a man ...

An active shooter incident occurred in Midtown Manhattan, New York, officials said. Here's what to know about 345 Park Ave.

The shooter who reportedly shot two persons outside 345 Park Avenue before fleeing into the building reportedly has died. Via ...

NEW YORK (Reuters) -A spokesman for audit and advisory firm KPMG said in a statement the office at 345 Park Avenue will be ...

Wesley LePatner was Blackstone's head of real estate and CEO of an evergreen real estate fund. She was a victim of Monday's ...

At the height of the evening rush, a man double-parked his BMW on Park Avenue, calmly strode across a public plaza with an ...

BREIT CEO Wesley LePatner was among those killed in the shocking attack, plus more New York City real estate news.

A suspect was spotted entering the Blackstone building holding an assault weapon. Get updates on the developing situation.