U.N. Security Council members were moved to tears Thursday as the first eyewitness to the latest suspected chlorine attacks on civilians in Syria emerged from the country to give a graphic eyewitness account of dying children.

The council last month approved a resolution condemning the use of toxic chemicals in Syria and threatening action against any violations, but the U.N.'s most powerful body seems stuck because there is no way to formally assign blame for attacks.

Neither the U.N. nor the global chemical weapons watchdog, the Organization for the Prohibition of Chemical Weapons, has a mandate to assign blame in the attacks, though the OPCW this year condemned the use of chlorine in Syria as a breach of international law.

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