A New York City police officer and three other people were shot and killed inside a Midtown Manhattan office building on Monday evening, police confirmed.The suspect, identified as Shane D. Tamura, 27,

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 on Monday, according to officials.

The gunman killed an off-duty New York City police officer working security at the 44-story building, and three other people, as he made his way through the lobby and then to the office of the buildi...