New York City is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office ...

The New York City Police Department sent detectives to Las Vegas to work with the Bureau of Alcohol, Tobacco and Firearms to ...

Officials say a man carrying a rifle killed four people at a New York City office tower. The shooting took place Monday ...

Follow along for live updates on the New York City shooting, where police investigate motive after five people, including the ...

A man exited a double parked BMW with an M4 rifle and then walked toward the skyscraper that is home to the headquarters of ...

Police lined the streets of New York City to pay their respects to fellow officer Didarul Islam, who was among the four ...

Authorities say Shane Devon Tamura travelled across the country from Las Vegas to open fire inside the skyscraper.

Rachel Maddow reports breaking news of a shooting in an office building in Manhattan that has left five people dead, ...

Law enforcement officials have confirmed that the gunman who opened fire in Manhattan office building is deceased from a self ...

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

An off-duty New York City police officer and an executive at an investment firm were among four people killed by a gunman at ...

New York and federal officials warned of an "active shooter situation" near on office building near Midtown Manhattan Monday.