BBC's Panorama reporter John Sweeney joined thousands of refugees making the journey from the Greek island of Kos to the Hungarian border with Austria. He met families fleeing conflict and terror in Syria, refugees separated from their loved ones, children, the old and sick being forced to march to safety. Among this tide of humanity, he also found economic migrants seeking a better life in northern Europe and he asked, with winter on the way, is the crisis about to claim even more lives? (Produced by Ravin Sampat Sept 2015)
***This documentary was filmed for use on Snapchat app and therefore has been optimised for use on smartphone devices***

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