ANKARA Authorities on Jan. 21 arrested the far-right Victory Party 's leader, Ümit Özdağ , on charges of inciting violence through a series of anti-refugee posts on social media. Özdağ was detained by police on Jan. 20 as part of an investigation into allegations that he insulted President Recep Tayyip Erdoğan in a speech he delivered a day earlier. The chief public prosecutor’s office in Istanbul, however, released Özdağ from custody on charges of insulting the president but subsequently