Winston Tubman Sirleaf faced challenger Ellen Johnson . There had been calls to boycott the election . U.N. called on Liberians to refrain from violence . Tubman has reportedly refused to participate in the runoff , alleging it wo n't be fair , and there have been calls to boycott the election , the United Nations has said . It is the second presidential election since the end of a 14-year civil war .
Winston Tubman Sirleaf faced challenger Ellen Johnson . There had been calls to boycott the election . U.N. called on Liberians to refrain from violence . It is the second presidential election since the end of a 14-year civil war .