<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.aliyekuwa mgombea binafsi wa urais wa namibia panduleni itula, amewasilisha pingamizi la kisheria ya kupinga kushindwa kwake katika uchaguzi uliomalizika mwezi uliopita.  <response>: maldives president abdulla yameen has filed a legal challenge against his landslide election defeat last month. 