Several people were shot and at least 13 people were injured Tuesday at a New York subway station where authorities found unexploded ordnance, the Fire Department said.

The incident happened in the morning, where the subway station in Brooklyn is quite busy, media reported. CNN and other media have reported that at least five people were injured by gunfire as they were called to sources inside the New York Fire Department.

The number of people injured, including those who were shot, is still unclear. The Associated Press, citing sources familiar with the investigation into the incident, said preliminary information suggested that a suspect was dressed as a construction worker and had a gas mask.

A photo from the scene showed people helping bloodied passengers who were lying on the subway station. New York Mayor Eric Adams said he was informed of the shooting at the station in Brooklyn.

“As we gather more information, we urge New Yorkers to stay away from this area for their own safety and so that officials can assist those in need and investigate the case,” wrote on Twitter Fabrien Levy, the mayor’s spokeswoman. of New York.