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

President Donald Trump expresses support for law enforcement after a Manhattan office shooting that killed NYPD Officer ...

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

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

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

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 ...

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

An NYPD officer and at least three other victims were killed in a shooting at an office skyscraper in midtown Manhattan ...

Shane Devon Tamura was identified as the gunman behind a deadly Midtown Manhattan shooting that left six people dead before ...

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

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