BBC News | Moscow alleges Turkey shot down plane to protect oil trade with ISIS CNN "We have all grounds to suspect that the decision to down our plane was motivated by the intention to secure these routes of delivering oil to ports where it is loaded on tankers," he said. Untrue, Erdogan said. "It is obvious where we legally buy oil ... Turkey 'shot down plane for IS oil' Turkey challenges Russia over IS oil trade claim Turkey shot down Russian fighter to protect its supply of oil from ISIS |