Archive · 21 Jul 2026
Tunnel blast kills 10, traps 15 in Sikkim
A big explosion happened in a tunnel in Sikkim, India, where workers were building a hydroelectric project.
The explosion was caused by a gas leak, and it killed 10 people.
Fifteen other workers are still trapped inside the tunnel.
The rescuers are having a hard time because there are lots of toxic gases making it difficult for them to reach the trapped workers.
The chances of the trapped workers surviving are not very high.
The explosion happened in a tunnel on the Teesta river, which is owned by the National Hydroelectric Power Corp Ltd.
A tunnel blast at a hydroelectric project in Sikkim killed 10 workers and trapped 15 others.
The explosion was caused by a suspected methane gas leak in the tunnel.
Rescuers are battling dense fumes and toxic gas to reach the trapped workers.
The chances of survival for the trapped workers are slim.
The incident occurred at the National Hydroelectric Power Corp Ltd's project on the Teesta river.
- Who
- Indian workers and officials at a hydroelectric project
- What
- Tunnel blast caused by a suspected gas leak
- When
- July 21, 2024
- Where
- Samardung, Sikkim, India
- Why
- Suspected methane gas leak in the tunnel
Rescue Efforts
Safety Measures
Rescue Operations
Rescue Efforts
Rescuers are battling dense fumes and toxic gas to reach the trapped workers, making the task difficult.
Safety Measures
Improved safety protocols and better ventilation systems could have prevented the incident.
- Location
- Samardung, Sikkim, India
- Date
- July 21, 2024
- Casualties
- 10 dead, 15 trapped
- Cause
- Suspected methane gas leak
- Organization
- National Hydroelectric Power Corp Ltd (NHPC)
- Project
- Hydroelectric project on the Teesta river