REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE CONTENT OF THIS VIDEO, WHICH HAS BEEN OBTAINED FROM A SOCIAL MEDIA WEBSITE.<br/> <br />ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: Smoke and rubble filling the streets of Aleppo in the aftermath of attacks using explosive barrels have been purportedly captured in a series of amateur videos uploaded to the internet and said to have been shot on Sunday (April 27).<br/> <br />Reuters is unable to verify the content of the videos which had been edited and uploaded to a social media website by an organization called Aleppo Media Center (AMC).<br/> <br />The videos were purportedly shot in various districts of Syria's northern city.<br/> <br />Smoke filled the streets of what was said to be the al-Kallaseh district of Aleppo in the aftermath of what the video said were explosive barrel bombs.<br/> <br />Western powers have condemned the use of barrel bombs - strikes in which helicopters drop highly destructive improvised explosives - as a war crime.<br/> <br />A third vide
