A motive has been announced for the gunman who took four lives in a New York City shooting on Monday evening. A man, carrying a long rifle, went into a New York City skyscraper on Monday evening, shortly after 6 p.

The New York police officer killed in a mass shooting in a Manhattan skyscraper on Monday was an immigrant who left behind a pregnant wife, two young sons and distraught parents, and friends and officials in Bangladesh and the United States who described him as a hero.

Police said Tamura had a history of mental illness, and a rambling note found on his body suggested he had a grievance against the NFL over an unsubstantiated claim that he suffered from chronic

Gun laws in the city have largely prevented the sort of mass slaughter common in the rest of America. The last killing of this scale in the city was at a fast-food restaurant in Queens in 2000.

NYC gunman Shane Tamura is seen on video talking about his high school football career in California after a game in September 2015.

Political commentator Bill O’Reilly said Monday night that New York City residents are “very uneasy” in light of the skyscraper shooting in Midtown, where four people were killed, including a New York City Police Department (NYPD) officer.

Plus, some Republican lawmakers are pushing for legislation to end "weather modification," pushing a fringe theory that humans are controlling the weather into the mainstream.

Authorities are responding to a call of shots fired in a Midtown Manhattan office building, police told the BBC. A BBC News editor is near the scene. She reported seeing scores of police vehicles and at least one person with a bloodied chest being taken away.