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

Meesha Farzaneh told Newsweek she went to the sauna area, "tucked into the far back of the building," believing it was the most-secure spot.

NYPD Officer Didarul Islam, the cop gunned down in a Midtown Manhattan mass shooting inside a Park Ave. office building, was posthumously promoted to detective first grade during his funeral on Thursday as a sea of mourners,

A New York City police officer who was among the four people shot and killed by a gunman during a rampage at a Manhattan office tower

Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.The injured victim was an employee at the NFL, according to NFL Commissioner Roger Goodell.