Syria’s 13-year civil war has stormed back into prominence after a surprise rebel offensive on Aleppo, the country’s second-largest city. The violence in Syria comes as Israel continues fighting Iran-backed Hamas and Hezbollah in Gaza and Lebanon, and raises the specter of another front opening in the Middle East.The governor of Aleppo, police and security branches have withdrawn from the center of Aleppo and Hayat Tahrir al-Sham militants taken control of “the majority of the city,” according to The Syrian Observatory of Human Rights. Who is sponsoring the militia ?