Syria warns will use chemical weapons in case of foreign attack

Syria says it will only use its chemical and biological arsenal against "external aggression," and never against own population. The US has warned the Arab country against using the arsenal under any circumstances. RT LIVE http://rt.com/on-air Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday Like us on Facebook http://www.facebook.com/RTnews Follow us on Twitter http://twitter.com/RT_com Follow us on Google+ http://plus.google.com/b/102728491539958529040 RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 500 million YouTube views benchmark.