The United States and Israel are responsible for the conflict scorching Syria by \"flooding weapons\" to rebels there, the supreme leader of Iran -- the main ally of Syria\'s regime -- said on Friday, according to his official website. \"The main and behind-the-scenes operators behind the painful issues in Syria are America and the Zionist regime,\" Ayatollah Ali Khamenei said in a meeting with Syrian Prime Minister Wael al-Halaqi on the sidelines of a Non-Aligned Movement summit in Tehran. \"The main operators in the Syrian issue are those who have been flooding weapons into Syria and financially backing the irresponsible groups,\" Khamenei said.