Fort Worth police are investigating a reported shooting on a TRE train at the Fort Worth Central Station downtown at 1001 Jones St. A 911 call was received shortly after 11 a.m. It’s unclear whether anyone was injured or whether a suspect has been arrested. Video taken by a witness appeared to show medics treating at least one patient at the scene.

Fort Worth police were contacted by TRE about 11 a.m. that a man on the train with a firearm was causing a disturbance.

The shooting stemmed from an argument between two men on the train who were waiting to go to the restroom, according to the Fort Worth Police Department.