Organization of Islamic Cooperation suspends Syria . At least 40 are dead after warplanes shell a Syrian-Turkish border town . The Syrian government blames the rebels for the deaths, and says it will not negotiate with them until they lay down their arms. The U.N . Violations by rebel groups are less severe than those by the regime , a U.N. report says .
Organization of Islamic Cooperation suspends Syria . At least 40 are dead after warplanes shell a Syrian-Turkish border town . The Syrian government blames the rebels for the deaths, and says it will not negotiate with them until they lay down their arms. Violations by rebel groups are less severe than those by the regime , a U.N. report says .