UPDATE: Gunman at Bronx Hospital is down, multiple people shot

UPDATE: CBS NEWS is reporting shooter is down, deceased at hospital, 4 to 6 people have gunshot wounds or injuries. 
NEW YORK — Police in New York City are responding to a report of shots fired at Bronx Lebanon Hospital, CBS New York reports.
The incident began just before 3 p.m. at 173rd Street and Grand Concourse in the Mt. Eden section of the Bronx.
CBS New York reports that police have confirmed two people shot on the 16th floor of the hospital.
The Associated Press repo