The shooting took place at a skyscraper that is home to the headquarters of both the NFL and Blackstone, one of the world’s largest investment firms, as well as other tenants.

Officials say a man with a rifle killed an off-duty New York City police officer and three other people before taking his own life at a Manhattan office tower

Five people were killed in a mass shooting at a food market in Bangkok on Monday. The suspect in the attack at Or Tor Kor Market took his own life, police in Thailand's capital confirmed. Four of those killed were security guards and the fifth worked at the market.

Five people died on Monday in Thailand after a mass shooting at a popular seafood market in the south Asian country's capital city.

A suspect is in custody after three people died and several were injured after a shooting outside Grand Sierra Resort and Casino in Reno, Nev., on Monday.

A gunman opened fire Monday outside the largest casino in Reno, Nevada, killing three people and wounding three others before police shot the suspect and arrested him, officials said. The suspect had no known connection to the victims,