Delivery Error? US weapons show up in hands of pro-Assad fighters

(RT) US and European arms, intended for Syrian rebels - are ending up in the hands of pro-government forces. Pictures have flooded the internet, showing Shiite militias, fighting alongside President Assad's troops - using Western weaponry. And that's fuelled concerns that Washington is unable to control where its weapons are ending up, as RT's Gayane Chichakyan reports.