ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan (2nd R), his wife Emine Erdogan (R) and Turkish Prime Minister Binali Yildirim (2nd L), his wife Semiha Yildirim (L) greet supporters during the third extraordinary congress of AK Party in Ankara, Turkey on May 21, 2017. ( Evrim Aydın - Anadolu Agency )
ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan (2nd R), his wife Emine Erdogan (R) and Turkish Prime Minister Binali Yildirim (2nd L), his wife Semiha Yildirim (L) greet supporters during the third extraordinary congress of AK Party in Ankara, Turkey on May 21, 2017. ( Evrim Aydın - Anadolu Agency )
ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan and his wife Emine Erdogan greet supporters during the third extraordinary congress of AK Party at Ankara Sports Hall in Ankara, Turkey on May 21, 2017. ( Evrim Aydın - Anadolu Agency )
ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan give flowers to supporters during the third extraordinary congress of AK Party at Ankara Sports Hall in Ankara, Turkey on May 21, 2017. ( Evrim Aydın - Anadolu Agency )
ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan give flowers to supporters during the third extraordinary congress of AK Party at Ankara Sports Hall in Ankara, Turkey on May 21, 2017. ( Evrim Aydın - Anadolu Agency )
ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan greets supporters during the third extraordinary congress of AK Party at Ankara Sports Hall in Ankara, Turkey on May 21, 2017. ( Evrim Aydın - Anadolu Agency )
ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan (C) and his wife Emine Erdogan (C-R) greet supporters during the third extraordinary congress of AK Party at Ankara Sports Hall in Ankara, Turkey on May 21, 2017. ( Kayhan Özer - Anadolu Agency )
ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan (2nd R), his wife Emine Erdogan (R) greet supporters as they throw white and red carnations during the third extraordinary congress of AK Party at Ankara Sports Hall in Ankara, Turkey on May 21, 2017. ( Kayhan Özer - Anadolu Agency )
ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan (R) greets supporters as he throws white and red carnations during the third extraordinary congress of AK Party at Ankara Sports Hall in Ankara, Turkey on May 21, 2017. ( Kayhan Özer - Anadolu Agency )
ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan (L) and his wife Emine Erdogan (2nd L) greet supporters as they throw white and red carnations during the third extraordinary congress of AK Party at Ankara Sports Hall in Ankara, Turkey on May 21, 2017. ( Kayhan Özer - Anadolu Agency )
ANKARA, TURKEY - MAY 21 : Turkish President Recep Tayyip Erdogan (3rd R), his wife Emine Erdogan (not seen) and Turkish Prime Minister Binali Yildirim (R), his wife Semiha Yildirim (not seen) greet supporters as they throw white and red carnations during the third extraordinary congress of AK Party at Ankara Sports Hall in Ankara, Turkey on May 21, 2017. ( Kayhan Özer - Anadolu Agency )