Breaking: Suspected NYC gunman pronounced dead, sources say

We're following breaking news out of New York City where at least two people have been shot in an incident in Midtown Manhattan. MSNBC has just learned that the man the NYPD believes is responsible for the shooting is dead and is dead as a result of a self-inflicted gunshot wound. Two senior law enforcement officials tell NBC News at least one police officer and one civilian have been shot inside a Park Avenue building.The building at the address houses several attendants including Blackstone, KPMG, and JP ...