article_snippet.sent: The cameraman backs away as the material eerily creeps across the width of the road, where The cameraman was previously standing and it seems to spread along the bank at a walking pace.
article_snippet.sent: The movement seems to speed up as the cameraman beats a hasty retreat down the road.
article_snippet.sent: When the cameraman pans back along the way the cameraman has come, the road is completely blocked by a debris that looks as if the road is between one and two storeys high in places.