Chemical weapons body faces 'difficult moments' chief warns The world's chemical arms watchdog is confronting a "difficult moment" after a series of recent attacks and a Russian spy scandal, the body's new chief says. In an interview days before a key meeting of the Organisation for the Prohibition of Chemical Weapons, director-general Fernando Arias says attacks in Salisbury, Kuala Lumpur and Syria were "worrying". IMAGES AND SOUNDBITES