Two survived nine days trapped underground.

About 5,000 people, including 589 foreign nationals, remain missing, Nepal’s disaster authority says.

Hydropower tunnels sit in steep valleys, the same path glacial-outburst floods take, trapping workers below the hazard.

Rescuers are still searching the flooded Trishuli 3A tunnel for others reported alive.

Sources: The New York Times, Al Jazeera Online, Dawn