SIOUX CITY, Iowa (AP) — Authorities have released the name of an 18-year-old accused of stabbing to death two people in Sioux City over the weekend. Police say Tran Walker, of Sioux City, is charged with two counts of first-degree murder. He’s accused of killing 18-year-old Felipe Negron Jr. and an unnamed 17-year-old girl. They were found wounded around 1:15 a.m. Sunday and died later at a hospital.

Walker was arrested after being found at a grocery store around 2 a.m. Sunday. Police say Walker and the girl were once linked romantically.