COLUMBUS (WCMH) – A man tells Columbus police he shot and killed his brother Monday after an argument escalated to violence.

According to Columbus police, 19-year-old Mohamud Mohamed and his brother, 21-year-old Ali Mohamed were involved in a dispute. At some point, police say Mohamud Mohamed threatened Ali Mohamed with a knife.

At that point, Ali Mohamed shot Mohamud Mohamed in the chest.

Police said Ali Mohamed is a concealed carry license holder and that he fired his weapon in selfe-defense.

Mohamud Mohamed was taken to Grant Medical Center in critical condition. He died later that night.

No charges have been filed.

Police say this is the 106^th homicide in Columbus in 2016.