A New York City police officer and three other people were shot and killed inside a Midtown Manhattan office building on Monday evening by a gunman armed with a high-powered rifle, police confirmed.The suspect,

A New York police officer, a “beloved” security guard and a senior executive with investment firm Blackstone were among four people killed Monday when a lone gunman stormed a sprawling office tower in Midtown Manhattan and opened fire.

Manhattan Shooting: In a shootout reported from the New York City’s Park Avenue Tower in Midtown Manhattan, at least one off-duty New York Police Department (NYPD) officer and three other civilians were shot dead on Monday evening inside a corporate office, housing finance giant Blackstone and the National Football League among others.