NEW YORK (1010 WINS) — The NYPD is searching for a man accused of releasing bear spray inside a train car at Union Square Sunday night.
Just after 9:30 p.m., police received a call about the incident on the southbound 4 train at the 14th Street - Union Square station.
According to officials, the suspect sprayed an unknown substance inside the train as people were exiting.
Four people where taken to Lenox Hill Hospital in stable condition.
Police are searching for a man approximately 30-year-old wearing a camouflage ski mask. It is unclear what led to the spraying.
Bear spray is a non-lethal aerosol spray specifically designed to deter aggressive or charging bears and considered a highly effective last line of defense in a bear encounter.
There have been no arrests made and an investigation is ongoing.