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

The devastating shooting at Midtown’s 345 Park Avenue has caused both landlords and tenants to take a closer look at security ...

After Monday night’s shooting at 345 Park Ave., the Midtown corridor was seemingly back to business as usual Wednesday ...

President Donald Trump on Tuesday condemned a New York City shooting that left five people dead, including the suspected perpetrator, as a “senseless act of violence.” The Monday shooting took place ...

NEW YORK -- A 27-year-old man wearing body armor and carrying an M4 assault rifle shot and killed four people, including off-duty New York Police Department Officer Didarul Islam, who was working ...

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the ...

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

The mass shooting at a Manhattan office building raises new concerns for business leaders looking to secure their staff and ...

The gunman who killed four people, including an NYPD officer, inside a Manhattan office building Monday evening left a note ...

The gunman who killed four people at an office building in New York City on Monday evening left his home in Las Vegas, Nevada ...

The Park Avenue building where a gunman killed four people Monday is fortified more heavily than most. Concrete planters line ...

The suspect was identified as Shane Tamura, of Nevada, two people briefed on the investigation told the AP. Sources said he ...