Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.

NYPD Chief John Chell describes Midtown Manhattan office shooting as mayhem after gunman Shane Tamura killed four people, ...

The Manhattan office building shooting victims include NYPD Officer Didarul Islam, Blackstone executive Wesley LePatner and ...

The NYPD officer who was among four victims of a shooting in midtown Manhattan was a father of two, and his wife was pregnant ...

A man carrying a high-powered rifle shot and killed four people, including an off-duty police officer working security in ...

Two teams NYPD detectives headed to Las Vegas Tuesday, to execute search warrants at Shane Tamura's home and at a gun store ...

This is a breaking news story. For latest updates, please go to our live blog. An NYPD officer and at least four other ...

The police officer who was killed when a gunman opened fire in a Manhattan building was a dedicated father who was working a ...

A New York police officer, a “beloved” security guard, a young Cornell graduate and a senior executive with investment firm ...

The shooting occurred in the lobby of 345 Park Avenue on East 52nd Street, an office building that records indicate is home ...

Members of the New York Police Department paid tribute to Officer Didarul Islam, one of the people killed in Monday's ...

NYPD officer Didarul Islam and Blackstone executive Wesley LePatner are among those dead in the NYC skyscraper shooting.