The man who was shot is hospitalized with a potentially life-threatening injury. The suspect was arrested at Fort Worth Central Station. This is a developing story.

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.