At least 20 workers were killed and five others remained trapped for over 24 hours after a tunnel under construction collapsed in Sikkim's Namchi district following an explosion of suspected methane gas, a police officer said on Tuesday.
At least 20 workers were killed and five others remained trapped for over 24 hours after a tunnel under construction collapsed in Sikkim's Namchi district following an explosion of suspected methane gas, a police officer said on Tuesday.
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At least 20 workers were killed and five others remained trapped for over 24 hours after a tunnel under construction collapsed in Sikkim's Namchi district following an explosion of suspected methane gas, a police officer said on Tuesday.
