By Elsie Kamsiyochi
Chinese authorities are intensifying an investigation into one of the country’s worst mining disasters in more than 15 years after shocking evidence revealed a web of hidden tunnels, fake underground walls and illegal mining operations linked to a deadly gas explosion that claimed at least 82 lives.
The tragedy unfolded late Friday at the Liushenyu coal mine in northern China’s coal-rich Shanxi province, where a devastating gas blast ripped through underground tunnels, leaving dozens dead, hundreds injured and several workers still unaccounted for. What investigators have uncovered in the days since has painted a disturbing picture of deception, unsafe labour practices and profit-driven misconduct that may have contributed directly to the catastrophe.
According to Chinese state media, the mine operator allegedly concealed entire sections of the mine from government inspectors through elaborate methods designed to avoid detection. Investigators discovered unmarked tunnels, falsified operational maps and fake underground doors disguised to resemble rock walls — all reportedly used to hide illegal mining areas from authorities.
Officials say the death toll currently stands at 82, with two miners still missing while another 128 people remain hospitalised. Rescue efforts have been complicated by incomplete maps and missing worker records, making it difficult for emergency crews to determine exactly where miners were located when the explosion occurred.
The incident marks China’s deadliest mining disaster since 2009, when a gas explosion at the Xinxing coal mine in Heilongjiang province killed 108 workers. The scale of the tragedy has renewed concerns about workplace safety in China’s coal industry despite years of government crackdowns and reform efforts.
A Hidden System of Deception
Early findings suggest the Liushenyu mine operated a secret system specifically designed to evade inspections and maximise profits.
State media reports indicate the mine maintained two separate sets of operational blueprints and surveillance systems. One version reflected legal, approved mining operations and was presented during regulatory inspections. The second documented concealed tunnels and unauthorised extraction areas where illegal mining allegedly continued out of public view.
In China, this deceptive practice is reportedly known as “yin-yang drawings” — one version shown openly to regulators, while another remains hidden to reflect actual operations.
Investigators believe coal extracted from these concealed areas was excluded from official production records, allowing operators to avoid taxes and conceal the true scale of mining activity.
Perhaps most disturbing were reports describing how workers allegedly disguised hidden tunnel entrances. According to state broadcaster accounts, fake walls were constructed using wire mesh, woven plastic sacks and mortar to mimic natural rock surfaces underground. Whenever inspectors approached, workers would reportedly close the false entrances and spread coal dust over them to blend seamlessly into the mine’s surroundings.
Authorities say staff stationed outside the mine allegedly warned underground workers whenever inspections were imminent, enabling illegal operations to be hidden within minutes.
Missing Workers, Missing Safety Measures
The investigation has also uncovered alarming failures in worker safety procedures.
Officials say subcontracted labourers were allegedly employed in concealed sections of the mine without being officially registered or equipped with legally required electronic location trackers. These tracking devices are intended to help authorities monitor miners underground and locate them during emergencies.
When the explosion occurred, official records showed only 124 miners working below ground. However, investigators later determined that 247 workers were actually inside the mine at the time — suggesting that 123 miners had been operating in unregistered areas completely outside official oversight.
The lack of accurate worker tracking has severely hindered rescue efforts. Emergency responders reportedly struggled to identify victims’ locations because many workers were effectively invisible in official systems.
Authorities also allege that the mine deliberately avoided installing proper gas-monitoring systems, despite Liushenyu being classified as a “high-gas mine,” meaning it carried an elevated risk of explosions. Safety equipment that could have detected dangerous methane buildups may have been absent or deliberately bypassed.
Warnings Ignored Before Disaster
Perhaps most troubling for investigators is evidence suggesting warning signs had already emerged long before the deadly blast.
Reports indicate that in 2025 regulators discovered concealed mining activity at the site and fined the mine operator after uncovering hidden working areas. Yet the penalties apparently failed to stop illegal production.
Authorities now believe the company continued unsafe practices despite previous enforcement actions, raising difficult questions about whether stricter oversight could have prevented the tragedy.
The company operating the mine, controlled by Shanxi Tongzhou Coal Coking Group, has come under intense scrutiny. According to Chinese media reports, company officials have been detained as investigators examine possible criminal negligence and regulatory violations. Reuters was unable to independently contact company representatives.
National Fallout Across China’s Coal Industry
The disaster has triggered wider concern across China’s massive coal sector, which remains critical to powering the world’s second-largest economy.
Following the explosion, several mines across the country reportedly suspended or reduced production while undergoing emergency safety inspections. Regulators are expected to launch broader reviews of mine operations, particularly at facilities considered high-risk.
Despite years of efforts by Beijing to improve industrial safety, the tragedy highlights the continuing dangers posed by illegal mining practices and weak enforcement in parts of China’s energy industry.
As investigators continue examining the full cause of the explosion, families of victims are demanding accountability — and the country is once again confronting painful questions over whether profit was placed above human life in one of China’s deadliest industrial disasters in recent memory.
Source Reuters
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