A man stalked through a Manhattan office tower firing a rifle, killing four people, including a New York City police officer, ...

A former high school football player who opened fire in a Manhattan building Monday — killing four people before fatally ...

There were 23 shell casings and 13 bullet fragments recovered from the lobby of 345 Park Avenue and 24 spent shell casings on ...

After a deadly shooting at an NYC building that housed NFL and Blackstone offices, safety experts say it’s high time ...

Roger Goodell also gave a health update on the league employee who was seriously injured in the gun attack that killed four ...

A gunman who killed four people inside a Manhattan office tower blamed his mental health problems on the National Football ...

Police have identified the man who entered a Midtown Manhattan office building wearing body armor and opened fire killing ...

A flatbed truck carried a digital billboard showing photos of Officer Didarul Islam and a commemorative message from his union.

Among the dead were a police officer, a security guard and two people who worked at companies in the building. An NFL ...

Mourners packed a New York mosque to honor a Bangladesh-born police officer who was killed at an office building this week.

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

It was just after 1:30 a.m., and Jessica Tisch was walking the eerie quiet of 345 Park Avenue, surveying the detritus of a deadly attack.