Information began spreading that the Supreme Court had "sacked" the state government and the government house in Yenagoa "had been taken over by military men".

BBC: Nigeria's Bayelsa state defends anti-rumour campaign

In Yenagoa town, the capital of Bayelsa state, there are unmissable signs that some of the former militant leaders have become incredibly wealthy - sprawling gaudy mansions are well-known landmarks.

BBC: Has Nigeria's Niger Delta managed to buy peace?