Counter-Terrorism Unit further upgrades travel warning and urges Israelis not to visit Turkey, citing a high-level and concrete threat of an ISIS terror attack in the country. Israel's Counter-Terrorism Unit once again upgraded its travel warning to Turkey on Friday, urging Israelis currently in the country "to leave Turkey as soon as possible." The upgraded and urgent warning, set at level two (indicating a high level, concrete threat) comes on the heels of a warning issued by Turkish authorities a week and a half ago of an ISIS plan to attack Jewish targets in the country, including synagogues, Jewish schools...