. ▁ ▁On ▁ 1 8 ▁September ▁ 2 0 1 8 , ▁the ▁A K P ▁Mayor ▁of ▁Or du ▁En ver ▁Y ı l maz ▁announced ▁his ▁res ignation . ▁His ▁res ignation ▁was ▁seen ▁as ▁non - related ▁to ▁the ▁' met al ▁fat igue ' ▁reg ener ation ▁drive ▁but ▁due ▁to ▁personal ▁disag re ements ▁with ▁high - ran king ▁party ▁official ▁and ▁deput y ▁leader ▁N uman ▁Kurt ul mu ş , ▁who ▁is ▁an ▁MP ▁for ▁Or du . ▁ ▁De fe ctions ▁between ▁parties ▁A ▁number ▁of ▁may ors ▁switched ▁parties ▁between ▁ 2 0 1 4 ▁and ▁ 2 0 1 9 . ▁A ▁number ▁of ▁these ▁defe ctions ▁were ▁down ▁to ▁the ▁formation ▁of ▁the ▁ İ yi ▁Party , ▁which ▁took ▁away ▁substantial ▁support ▁from ▁the ▁National ist ▁Mov ement ▁Party . ▁A ▁total ▁of ▁ 1 0 ▁municipal ▁may ors ▁switched ▁to ▁ İ Y İ ▁between ▁the ▁party ' s ▁establishment ▁on ▁ 2 5 ▁October ▁ 2 0 1 7 ▁and ▁ 2 0 1 9 . ▁The ▁Mayor ▁of ▁M ers in , ▁Bur han ett in ▁K oc am az , ▁switched ▁to ▁ İ Y İ ▁from ▁the ▁M HP ▁on ▁ 4 ▁December ▁ 2 0 1 8 , ▁becoming ▁the ▁party ' s ▁first ▁metropol itan ▁mayor . ▁ ▁The ▁Mayor ▁of ▁ İ n his ar ▁in ▁B ile ci k , ▁Ay han ▁Ö d ü bek , ▁joined ▁the ▁C HP