One person is dead and at least 22 people have become sick from a Legionnaires’ disease cluster in New York City since last Friday, health officials said.

New York City officials said they are investigating a cluster of Legionnaires' disease that has caused one death and nearly two dozen illnesses.

Officials say a man carrying a rifle killed four people at a New York City office tower. The shooting took place Monday afternoon at a midtown Manhattan office building that houses finance companies and the NFL headquarters.

The killing of four people including a police officer in a Midtown Manhattan office building rattled a city where mass attacks are rare and violent crime has declined.

New York City mayoral candidate Zohran Mamdani paid tribute to the fallen off-duty officer killed in a shooting in a Midtown Manhattan office building Monday. Mamdani said at a news conference Wednesday that he visited the family of Didarul Islam,