NYC is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office at 345 Park Avenue.

The gunman who killed four people, including an NYPD officer, reportedly had a grievance against the NFL and blamed football for issues with CTE.

Four people were killed when a gunman opened fire in New York City. President Donald Trump said the U.S. would work with international partners to set up food delivery centers in Gaza. And GOP lawmakers’ efforts to outlaw “weather modification” pushes a fringe theory into the mainstream.

An employee for the NFL was seriously injured during a shooting at a New York City office building Monday night.

A gunman opened fire inside a high-rise corporate building in the heart of Manhattan on Monday evening, killing a New York City police officer and three other people, officials said. The suspected shooter acted alone and died from a self-inflicted gunshot wound,

An NFL employee was seriously injured during the mass shooting at the Manhattan office tower that houses the league’s headquarters.

A Republican senator responded to the latest mass shooting in New York City by arguing the country already has more than enough gun controls—and the government should focus its energy on curbing people’s stupidity.