Video of crash site: http://snpy.tv/1FT0Dk6
BBC: A hotel worker in Digne, the closest town to the suspected crash site, has told BBC Radio 5 live the plane was flying “very low”. William says there are now several helicopters arriving at the site of the accident. He added that access to the crash site will be “very difficult” and that the area, normally covered in snow, is currently dry.