Samsung has already been given a small fine for not reporting a fatal gas leak promptly enough, but now it could be in more serious trouble. At the time of the accident, which led to the death of a maintenance contractor, the manufacturer released a statement indicating that the leak of hydrofluoric acid had been "contained." But CCTV footage seen by investigators now suggests that some of the lethal gas reached beyond the confines of the chip plant. A local environmental group claims to have detected high levels of the gas within a couple