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

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

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

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 ...

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.

The madman’s rampage reminds us  that evil  can strike the most secure-seeming  location, even in the best of times.

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

A 27-year-old man opened fire and killed four people, including an off-duty police officer working security in a Midtown ...