[anyplayer:url=http://cdn.rt.com/files/news/bani-walid-gas-bomb-904/id378477963f3afe7ba0a1315e11fee6f_bani-witness-web.flv type=FLV width=600 height=450] Pro-government militias intercept food, fuel and medicine and use grad rockets and gas weapons against Bani Walid, a man whose family remains in the town told RT. He claims the…