Rescuers resume operation to recover remaining bodies from Sikkim’s NHPC tunnel
According to an NHPC statement, a sudden burst of suspected methane gas trapped/embedded inside the rocks led to the explosion, generating dense fumes and toxic gases
· 7/22/2026, 1:10:30 PM· 2 min read
According to an NHPC statement, a sudden burst of suspected methane gas trapped/embedded inside the rocks led to the explosion, generating dense fumes and toxic gases
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