In a phone call on Thursday, posted on the Twitter feed of Macron, Obama told the presidential frontrunner: "The main message I have is to wish you all the best in the coming days and make sure that, as you said, you work hard all the way through because you never know, it might be that last day of campaigning that makes all the difference."
Former French Prime Minister Dominique de Villepin announces he is backing Emmanuel Macron in the election.