Ekrem Imamoglu

(Bloomberg) — Turkish authorities opened an investigation into Istanbul Mayor Ekrem Imamoglu, one of the biggest political rivals of President Recep Tayyip Erdogan. The Istanbul Public Prosecutor’s Office accused Imamoglu of making “threatening” statements against Istanbul Chief Prosecutor Akin Gurlek and his family, state-run Anadolu agency reported. Imamoglu dismissed the allegations in a post on…