In Yenagoa town, the capital of Bayelsastate, there are unmissable signs that some of the former militant leaders have become incredibly wealthy - sprawling gaudy mansions are well-known landmarks.
Our correspondent says the speakers of the respective state House of Assemblies will assume the governorships in Bayelsa and Cross River states in the south and Sokoto and Adamawa in the north until elections are held later in the year.