CHOKING GAME; A Hereford mother, who fears her son died from a choking game craze that's sweeping the internet, is warning other parents about the dangers. Louise Hembrow lost her sporting 10 year old in March after he collapsed at home, he died of a rare condition known as vagal inhibition which stops the heart, killing in less than two minutes. Louise believes Alfie was trying out an online game that he'd talked about in the school playground, in which youngsters film themselves choking and po