Byron restaurant denies wrongdoing over teenager's allergy death

Owen Carey, 18, died after eating chicken marinated in buttermilk at London fast food restaurant. An executive at a fast food chain where a teenager suffered a fatal reaction to a burger has told the inquest into his death that he should have asked about allergens when he ordered it. Owen Carey died after eating a chicken burger that contained buttermilk at the Byron restaurant at the O2 Arena in Greenwich, southeast London, where he was celebrating his birthday with his family. He was allergic