Istanbul mayor arrested days before likely presidential nomination

Key rival of President Recep Tayyip Erdoğan detained a day after university invalidated his diploma, in move seen as politically motivated Turkish police on Wednesday arrested Istanbul mayor Ekrem Imamoğlu, a key rival of President Recep Tayyip Erdoğan, state-run media reported, as part of an investigation into alleged corruption and terror links.The state-run Anadolu Agency reported that prosecutors also issued warrants for 100 other people. Authorities closed several roads aroun