A 26-year-old man has died after falling into a sludge tank at an industrial area in Pasir Gudang, Johor, on Sunday (Aug 16) night.Pasir Gudang Fire and Rescue Station operations commander Firdaus Ahmad said they received an emergency call at about 9.50pm, according to the New Straits Times.Firefighters found the victim approximately 1.5m deep inside a waste metal hydroxide sludge...