nyima pratten, bbc news.kers — drugged, framed and detained, on iplayer or the bbc world service youtube channel. the world's biggest iceberg has broken away from antarctica and is approaching the british territory of south georgia, home to large penguin and seal colonies. fishermen and authorities are bracing for impact. georgina rannard reports. this is the world's largest iceberg and probably the laziest. for decades, it loitered, stuck in antarctica. but one day in december, a23a finally broke free. now captured in satellite pictures, it is speeding into iceberg alley, a place where icebergs go to die. but here, right in its path lies the british territory of south georgia. i will take you out the door. ice is a way of life for sailors and fishermen there. but they can't ignore something the size of a23a. there's an iceberg over that way. you have to have a very healthy respect for the ice. because if you don't, it will get you. it can come out of nowhere and you get something the size of a23 when it come