During a Barcelona concert on April 13, Roger Waters denounced the Syrian White Helmets as “a fake organization that exists only to create propaganda for jihadists and terrorists.” Warning that the groups’ unverified claims about chemical weapons attacks across insurgent-held territory were aimed at triggering Western military intervention, Waters cautioned his audience, “If we were to listen to the propaganda of the White Helmets and others, we would encourage our governments to start dropping bombs on people in Syria.