Madagascar's election officials say two former presidents are in a tight race with results in from 70% of the polling stations, indicating that a runoff election is likely in December.The national electoral commission on Wednesday announced that former transitional president Andry Rajoelina is leading with 39% of the votes counted, followed closely by former president Marc Ravalomanana with 36%. The most recent president, Hery Rajaonarimampianina, is far behind with 7%. A total of 36 candidates contested the November 7 election.All the leading candidates have expressed doubts about the reliability commission's results. Madagascar has been shaken many times by post-election crises.If no candidate wins more than 50% of the votes, a second round will take place on December 19th.* Sign up to News24's top Africa news in your inbox: SUBSCRIBE TO THE HELLO AFRICA NEWSLETTERFOLLOW News24 Africa on Twitter and Facebook.