UPDATE at 6:37 p.m.: One suspect was arrested and another remains at large following a homicide early Sunday morning.
Zachary Chadwick, 19, was arrested and charged with criminal homicide and especially aggravated robbery, according to a release from the Chattanooga Police Department.
Jacob Coyne, 21, remains at large and has warrants on file for the same charges.
He is pictured alongside the article and is 6-feet tall and weighs 175 pounds.
Anyone with information is asked to call the police at 423-698-2525.
Original article 5:19 p.m.: Chattanooga police are investigating the fatal Sunday morning shooting of a 19-year-old in north Chattanooga.
Dispatchers received reports of a person shot in the 800 block of Oak Tree Drive at 12:36 a.m.