Four labourers from Assam died after reportedly inhaling suspected toxic gas while working at an underground septic tank in Rangdokram village of Meghalaya’s South Garo Hills district.The incident occurred on September 27 when the workers were working on a newly constructed septic tank. Two labourers reportedly collapsed after opening the tank lid, while two others were overcome by fumes after attempting to rescue them.Key HighlightsFour labourers from Assam died in South Garo Hills, Meghalaya.The incident took place at Rangdokram village near Baghmara.The workers were reportedly exposed to toxic gas inside an underground septic tank.Two workers collapsed after opening the tank lid.Two others reportedly collapsed while attempting to help them.Two fire and rescue personnel also reportedly lost consciousness during the rescue operation.The exact gas involved has not yet been confirmed.Police and other authorities are investigating the incident.What Happened Inside the Meghalaya Septic Tank?The incident took place at a residence in Rangdokram village, where the four Assam-based construction workers were working on a newly constructed underground septic tank.According to reports, two workers attempted to open the lid of the tank at around 3 pm. They suddenly collapsed after being exposed to gas inside the confined space.Two other workers then reportedly entered or moved towards the tank to help their colleagues. They too were overcome by the fumes and became unconscious.The workers were later identified as Mofidur Rohman, 34, Ajiyer Rahman, 41, Ismail Hussain, 20, and Rakib Hussain, 22. All four were residents of Assam’s South Salmara-Mankachar district.Rescue Operation Proves DifficultPolice and Fire and Emergency Services personnel reached the location after receiving information about the incident. The rescue operation was complicated because the septic tank was underground and direct access to the workers was difficult. Rescue personnel reportedly had to dig through the soil surrounding the structure to reach the victims.Two fire and rescue personnel also reportedly became unconscious while attempting to reach the trapped workers. They were provided immediate medical attention.The four labourers were subsequently declared dead.What Toxic Gas May Have Caused the Deaths?The exact gas responsible for the deaths has not yet been confirmed. Sources cited in local reports suggested that the septic tank may not have had an adequate gas outlet or soak pit, potentially allowing gases to accumulate inside the enclosed structure.Septic tanks can contain hazardous gases such as hydrogen sulphide and methane. In confined spaces, high concentrations of such gases can pose a serious risk.However, the presence of a particular gas in this incident remains unconfirmed, and authorities are expected to establish the precise cause through their investigation.Meghalaya Septic Tank Deaths Under InvestigationThe incident has again highlighted the risks faced by workers entering confined sewage and septic-tank spaces without adequate safety measures.Police and rescue authorities are examining the circumstances surrounding the deaths, including the condition of the septic tank and the factors that may have allowed dangerous fumes to accumulate.Further details about the investigation and any official findings are awaited.Who Were the Four Labourers?The four deceased workers were identified as:Mofidur Rohman, 34Ajiyer Rahman, 41Ismail Hussain, 20Rakib Hussain, 22All four were from Assam’s South Salmara-Mankachar district and had been working as construction labourers in Meghalaya.What Happens Next?Authorities are expected to investigate the cause of the gas exposure and examine whether the septic tank had adequate ventilation and safety arrangements.The deaths also underscore the dangers associated with entering underground septic tanks and other confined spaces. The Supreme Court has previously issued directions concerning safety, rehabilitation and compensation in cases involving deaths in sewer and septic-tank work.Further official findings will establish the exact circumstances of the Meghalaya septic tank tragedy.