Amateur video appears to show a helicopter shot down by Free Syrian Army fighters near Aleppo.<br/> <br />The video, which could not be independently verified by Reuters, came as the helicopter was attempting to land.<br/> <br />It is the second time in four days that rebels have shot down a helicopter.<br/> <br />Video obtained by Reuters shows the aftermath of the crash.<br/> <br />The war in Syria began as a popular uprising in March 2011. It has since descended into a civil war that has claimed at least 70,000 lives -- with no end game in sight.
