NYPD Officers are posted outside Blackstone office building located at 345 Park Avenue as it reopens to workers, New York, NY ...

A New York City office building where a gunman killed four people then himself has reopened a week after the deadly shootings ...

The deadly Park Avenue shooting happened at one of the the most exclusive addresses in Midtown Manhattan — the “Blackstone ...

Blackstone Inc.’s Steve Schwarzman walked into the company’s headquarters at 345 Park Ave., through the lobby that a week ago ...

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

The lobby of 345 Park Avenue will reopen for the first time since last Monday's mass shooting that left four innocent victims ...

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

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

The lobby of 345 Park Avenue reopened for the first time since last Monday's mass shooting that left four innocent victims dead.Monday marks one week since the tragedy and it isn't an easy day for ...

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