Turkey's presidential election is headed to a run-off on May 28, when Recep Tayyip Erdogan will go head-to-head with the opposition's Kemal Kilicdaroglu. Neither candidate managed to get more than 50 percent of votes in the first round, with Erdogan coming closest of the two despite promising polling numbers for Kilicdaroglu before the vote. France 24's Nadia Massih takes a look at some of the reasons the opposition failed to overcome Turkey's leader of the past 20 years in the first round.