Live updates and developments about a shooting in New York City's Midtown. Six people, including the gunman and a police officer, are dead.

Didarul Islam, a 36-year-old New York Police Department officer, was among four people killed Monday evening in Midtown Manhattan when a gunman stormed the lobby of the sprawling 345 Park Avenue office tower and opened fire.

Multiple casualties as gunman opened fire in the lobby of the midtown Manhattan building on Park Avenue that is home to the Blackstone investment firm and other corporations before moving to other floors.

A lone shooter killed four people on Monday evening at a Midtown office building, including an executive from financial firm Blackstone, before turning the gun on himself.“We lost four souls to another senseless act of gun violence,

Five people were shot by a gunman wielding a high-power M4 rifle in a Midtown Manhattan building, with four victims succumbing to their injuries. One of the four victims was an off-duty New York Police officer assigned to a Bronx precinct, NYC Mayor Eric Adams said Monday evening.

Four people were killed, including a police officer, and one was seriously injured when a gunman opened fire inside an office building before fatally shooting himself.

Mamdani wrote on X that he was "heartbroken" by an active shooting in Manhattan that left at least three people dead.

A horrible attack at New York City's famed 345 Park Avenue left two people injured and the shooter dead. According to reports, a civilian and an off-duty police officer were shot outside the building by an assailant who has not yet been identified as of writing.