The attacker reportedly drove cross-country from Las Vegas to New York in the days leading up to the shooting.

A New York City police officer and at least three others have been killed after a gunman entered a Midtown Manhattan office ...

A National Football League employee was seriously injured in a shooting Monday at a midtown Manhattan building that houses ...

A gunman has killed four people including a police officer in a shooting at a New York skyscraper. The suspect was identified ...

An off-duty NYPD officer, Didarul Islam, was among four people killed in a shooting at a Manhattan office building on Monday ...

Officials say the suspect, identified as 27-year-old Shane Tamura, acted alone and died from an "apparent self-inflicted gunshot wound".

A man carrying a rifle killed four people at a New York City office tower Monday, including an off-duty New York City police officer, and wounded a fifth before taking his own life, officials ...