Critics say sprawling corruption case against Ekrem İmamoğlu aims to stop him running as president against Recep Tayyip Erdoğan Critics say sprawling corruption case against Ekrem İmamoğlu aims to stop him running as president against Recep Tayyip Erdoğan A mass trial of 400 people including the jailed mayor of Istanbul, Ekrem İmamoğlu, has opened in Turkey in a sprawling corruption case critics say is a politically motivated attempt to scupper his chances of challenging Recep Tayyip Erdoğan