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

During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

His AR-15 assault rifle, which he bought from a co-worker for $1,400, had a full clip of 15 bullets, police said.

A security expert offers a list of ‘must-haves’ for workplace safety that may save lives in the event of a mass shooting.

Sebije Nelovic always felt safe at 345 Park Avenue. For nearly three decades, the Albanian native cleaned the ritzy Manhattan ...

Gunman Shane Tamura fired nearly 50 shots Monday during his rampage on a Park Avenue skyscraper, where he killed an NYPD ...

Gunman Shane Tamura fired nearly 50 shots during his rampage on a Park Ave. skyscraper, where he killed an NYPD cop and three ...

The New York City building that was the site of a mass shooting had significant security measures in place, raising questions ...

Security expert Patrick Timlin shares workplace safety tips for offices beyond Manhattan skyscrapers, emphasizing awareness ...

The head of the New York Police Department said that investigators plan to question a man who supplied parts for a gun used ...

The attack took place on Monday evening at 345 Park Avenue, a commercial skyscraper in Midtown Manhattan that houses offices ...

After that, the gunman headed to an elevator. As he waited for the ... the sounds of rapid gunfire from inside the skyscraper ...