Forty-six people have been killed after several vehicles crashed on a major highway in Uganda, the police say. The police revised down an earlier death toll of 63, saying they had mistakenly included victims who were unconscious and were now being treated. The crash occurred when two buses travelling in opposite directions "met head on" while trying to overtake two other vehicles – a lorry and a car – on the Kampala-Gulu Highway, the Uganda Police Force said. One of the buses swerved in an