Four to six people were believed to be wounded on Friday in a shooting at Bronx-Lebanon Hospital in New York, according to a New York Police Department spokeswoman.
A shooter is dead at the hospital, according to a tweet from NYPD Assistant Commissioner for Communication & Public Information J. Peter Donald.
Police have no confirmed information on the number of people injured or their conditions, said NYPD spokeswoman Annette Shelton.
The shooter is believed to be a former hospital employee, local law enforcement officials told CNN.
The NYPD has advised people to avoid the area.