Mali's opposition rejected the results on Thursday of presidential elections and vowed to use "all democratic means" to contest the outcome."These are their results. They do not reflect the truth of the polls," Tiebile Drame, opposition leader Soumaila Cisse's campaign chief, said at the party's headquarters. "We strongly call for people to mobilise."* Sign up to News24's top Africa news in your inbox: SUBSCRIBE TO THE HELLO AFRICA NEWSLETTERFOLLOW News24 Africa on Twitter and Facebook.