 Brigadier (later General) Murtala Mohammed succeeded Gowon.Months later, in February 1976, Mohammed was assassinated by Buka Suka Dimka and others in a violent coup attempt, but the plotters failed to kill Olusẹgun Ọbasanjọ, who then succeeded Mohammed as head of state.The Supreme Military Council was formally dissolved when Ọbasanjọ handed power to the elected Shehu Shagari, ending the military regime and establishing a Nigerian Second Republic.