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

Investigators are examining why the gunman who killed four people before taking his own life at a New York City office tower ...

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

A New York City police officer and three other people were killed in a shooting in Midtown Manhattan on Monday evening, ...

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

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

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.

As for security, badges and sign-in lists for visitors became standard fare in New York office buildings after the Sept. 11 ...

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

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

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