Zimbabwean President Emmerson Mnangagwa has sacked State Security Minister Owen Ncube. He has accused him of behaviour unbecoming of his position but speculation is rife that Ncube was fired for being involved in Zanu-PF factional battles. Ncube is the fifth minister to be forced out of office since Mnangagwa took office five years ago. For more on this we are joined on the line by... 

Guest: Dr. William Mpofu – African analyst based at Wits University