Authorities blamed the blast on a leak of methane gas. Such gases are common in mining, though modern safety measures call for ventilation and other measures to protect workers
Sourced from Africanews
At least 50 killed in coal mine blast in Iran
Authorities blamed the blast on a leak of methane gas. Such gases are common in mining, though modern safety measures call for ventilation and other measures to protect workersSourced from Africanews