Uganda’s main opposition leader Kizza Besigyeis arrested by police and put into the back of a blacked-out police van which whisked him away and was later seen at a rural police station, outside his home in Kasangati, Uganda, on  Monday. Photograph: Ben Curtis/AP

Police arrested Uganda’s main opposition leader, Kizza Besigye, for the fourth time in eight days on Monday, after an election that the United States(...)