Four dead after biogas accident in factory stockbot 0 99 2022.07.19 15:10 https://vietnamnews.vn/society/1269845/four-dead-after-biogas-accident… + 26 https://vietnamnews.vn/rss/society.rss + 8 Four workers are dead and one hospitalised after an accident involving a biogas pit at Miwon Việt Nam's plant in Việt Trì, Phú Thọ.