A methane leak set off the explosion, the country’s official media said, and a rescue effort was underway for those believed to be trapped in the mine.
A methane explosion at a coal mine in eastern Iran killed dozens of miners, and the death toll was expected to rise, Iranian state media said on Sunday.
The miners died of suffocation from the rapid release of methane and carbon monoxide, according to a report by Iran’s state news agency, IRNA. IRNA, which said earlier Sunday that 51 miners had been killed, later put the figure at 34. Other state media had estimates of the number of people killed that ranged from 30 to 51.
At the time of the explosion on Saturday, in the eastern Iranian city of Tabas, there were 69 workers in the mine, IRNA said.
Many may still be trapped, according to Tasnim news agency, which is affiliated with the Islamic Revolutionary Guards Corps.
It was not possible to independently verify details of the incident.
Officials say they are trying to work quickly to rescue the workers trapped in the mine, which is operated by the Madanjo Company, according to the Fars news agency, affiliated with the Revolutionary Guards.
President Masoud Pezeshkian of Iran ordered an investigation into the explosion, IRNA reported. Mohammad-Ali Akhondi, a crisis management official, urged caution about the rescue efforts, IRNA reported.
“The reality is that it is a difficult task to rescue the injured,” he said, according to IRNA. The report said rescuers would need to go about 2,300 feet diagonally and 820 feet vertically underground to reach the trapped workers.
Industrial accidents are common in Iran, and many construction and mining sites operate with outdated and inadequate materials.
In 2017, dozens of miners were killed and many were hurt after an explosion at a coal mine near the northern Iranian town of Azadshahr, in the Golestan Province.
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