. >> who is buy nag oil, let me tell you, a syrian that has a passport. he is the biggest trader. he buys oil from deash, sells it to the regime, and most recently the u.s. department of treasury made this public, there is a famous player, we have the documents, russia is demanding an apology for the loss of the plane, turkey is urging russia to keep a cool head, for now, the war of words goes on. al jazeera, moscow. russia has resume add supply of missiles to iran. reporting the country began delivering air defense systems on thursday, the kremlin suspended the supply of advance systems in 2010, siting u.n. sanctions but has decided to lift the measures after the iranian nuclear deal that was reached in july. u.s. police say a couple behind a mass shooting amassed a huge arsenal and carefully planned the attack. were killed by officers after wednesday's rampage at a christmas party. they shot dead 14 people and left more nan a dozen others injuries. we know what happened, investigators now trying to answer the bigger question why, was it workplace violence, terrorism, or a little