Police responded to reports of multiple doctors shot by an active shooter wearing a doctor’s coat and carrying a rifle at Lebanon Hospital in the Bronx.

The shooter, who is dead, was identified as Dr. Henry Bello, a family physician who used to be employed at the hospital.

The details were still unfolding in the June 30 shooting. The shooting unfolded at about 3 p.m. on the east coast at 173rd Street and Grand Concourse in the Mt. Eden section of the Bronx hospital.

The shooter was 35-years-old and “was known” to the hospital, The New York Post reported. He was dressed all in black under the lab coat.

Here’s what you need to know:

1. As Many as Three Doctors Were Shot by a Gunman in a White Lab Coat

News reporters tweeted that police said at the scene that numerous people had been shot. The New York Post reported that those shot were doctors and that as many as three people were shot.

The shooter was identified as Bello by multiple news stations in New York.

The New York Times reported that those shot were doctors, and their condition was not known.

Active shooter in Bronx Lebanon Hospital. NYPD onscene confirming multiple people shot. @PCALive @NYCEMSwatch @Breaking911 — Howie (@howiekg) June 30, 2017

Patch also confirmed that multiple people were shot.

According to NBC 4, the shooter was wearing doctor’s attire. He “was dressed in a white doctor’s-type coat when he shot at least three people shortly,” reported the television station.

2. The Shooter Is Believed to Be an Ex-Employee Who Targeted Multiple Floors

@flightradar24 NYPD Helicopters responding to shooting at Bronx Lebanon Hospital pic.twitter.com/q2fZLuyZWr — David Scott (@DerSpringer) June 30, 2017

The shooter “is a 35-year-old ex-employee using an M-16 type rifle,” reported The New York Daily News.

The New York Police Department confirmed there was an incident at the hospital in a tweet. According to The New York Post, the shooting spanned multiple floors.

“Due to reports of a shooting incident at Bronx Lebanon Hospital, avoid the area of 1650 Grand Concourse,” NYPD tweeted. The ATF tweeted that it was responding to the scene to assist the NYPD.

3. Doctors and Nurses Were Barricaded Inside the Hospital

#BREAKING Suspect in Bronx Lebanon hospital, New York, shooting believed to be barricading himself inside with rifle: CBS pic.twitter.com/IgVaVKhEex — Guy Elster (@guyelster) June 30, 2017

According to CBS, there were reports that doctors and nurses had barricaded themselves inside the hospital as the gunfire broke out.

There were also reports that the suspect had barricaded himself inside the hospital with a rifle.

4. The Suspect Was Killed at the scene

All the NYC TV stations heading into breaking news coverage — reports of a shooting at Bronx Lebanon Hospital pic.twitter.com/VRhjQumBUY — Brian Stelter (@brianstelter) June 30, 2017

According to Patch, the suspect was on the loose for some time after the shooting.

However, ABC 7 then reported that the suspect had been killed at the scene.

5. The Scene Remained ‘Very Active’

Shooting At Bronx Lebanon Hospital Center In New York City https://t.co/dyIdbHrEBQ — NewsRadio WHAM 1180 (@WHAM1180) June 30, 2017

Details were still coming out because, according to Patch, the scene was still “very active.”