TOPSHOTS A man holds a portrait of killed prosecutor Mehmet Selim Kiraz during a funeral ceremony outside the Eyup Sultan Mosque in Istanbul on April 1, 2015, a day after Kiraz was killed on in a bloody hostage standoff at Istanbul's courthouse. Turkish authorities on April 1 rounded up over 30 suspected members of the radical leftist group the Marxist Revolutionary People's Liberation Party-Front (DHKP-C), behind a bloody hostage standoff that left a top Istanbul prosecutor dead and shocked the country. AFP PHOTO / OZAN KOSE