The NYPD is responding to a shooting at Bronx-Lebanon Hospital this afternoon. There is no information about whether anyone has been killed, or if there are more victims still inside the hospital.
Police identified the gunman as Henry Bello, a former doctor at the hospital.
Witnesses are describing the moments of panic and horror during a deadly shooting inside a Bronx hospital Friday.More news: Fabulous Federer trounces Zverev to claim ninth Halle title
Five other people were wounded in the shooting, and three of those are in serious condition from gunshot wounds, a law enforcement source told CNN.
"Everything is on lockdown", a hospital spokeswoman told BuzzFeed News.
Police had yet to secure the area, preventing emergency medical workers from entering, the Times said.More news: Shady deal: Trump prepares concessions for Putin at first G20 meeting
The gunman is believed to have barricaded himself on that floor, the Daily News reported, adding that police found a trail of blood leading from the second floor to the eighth.
"Building is in complete shut down, I was in the middle of getting an x-ray when security alerted us to the active shooter situation", Puno tweeted.
Police went floor by floor searching for the shooter while the hospital has been surrounded by emergency response vehicles.More news: Severe Weather Chances Increased Today and Tomorrow
The 120-year-old hospital is located at 1650 Grand Concourse.