22:00The World TonightThe official winner of Zimbabwe's election, Emmerson Mnangagwa, calls for national unityBBC Radio 4 Duration: 45 minutes Fri 3rd Aug 2018, 22:00 on BBC Radio 4 FMAvailable for over a yearListen nowOpposition MDC says they will challenge results in the courts. Show more GenresNewsBrandThe World Tonight Source: BBC Online