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 ...

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

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

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

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

A spokesman for audit and advisory firm KPMG said in a statement the office at 345 Park Avenue will be closed on Tuesday, ...

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

Sebije Nelovic is the one who got away — the cleaner who dodged death as the Park Ave. shooter opened fire on her but missed.

The cleaner on the 33rd floor of 345 Park Ave. made a left turn down a corridor just as gunman Shane Tamura turned the ...