Gambia runner-up to challenge Barrow's win BBC World Service Ousainou Darboe, opposition leader and presidential candidate for the United Democratic Party (UDP), speaking to supporters outside his home. Ousainou Darboe rejects the results of the Gambia's first presidential electionGetty ImagesCopyright: Getty Images Mr Darboe questioned the conduct of the pollImage caption: Mr Darboe questioned the conduct of the poll The runner-up in The Gambia's presidential election, Ousainou Darboe, has said he plans to challenge the result in which the incumbent, Adama Barrow, won with 53% of the vote. Mr Darboe said his team was collecting evidence and would pursue the matter in court if lawyers decided there was a case. He called on his supporters to remain calm. Mr Darboe was one of three unsuccessful candidates who questioned the conduct of the poll, but one of them - Essa Mbaye Fall - has now congratulated Adama Barrow on his re-election. African Union election observers said the election was conducted largely in a fair and transparent manner