Turkey's Supreme Election Council announced on the 15th that the current President Erdogan and his biggest opponent, Kemal Klıchdar Oulu, have less than 15% of the vote. It was one of Turkey's most important elections in a century, and Erdogan's quest for re-election faces the toughest challenges.

Who will win the presidential runoff on May 5? Why is Turkey's election so much attention, and what impact will the final election result have on the region and the world?