New Facts: Postmortem Reveals Cause of Deaths

On July 22 in Sikkim, officials said postmortem examinations of workers from an under-construction tunnel collapse found deaths caused by asphyxiation and burn injuries.

The victims were labourers working inside the tunnel when it gave way, according to authorities.

The confirmed death toll stands at 13, the latest count shared by officials.

Doctors said the findings indicate the workers succumbed to lack of oxygen and thermal burns inside the confined space of the tunnel.

Search operations are still underway at the site, with teams continuing rescue and recovery work as authorities assess the situation.

AI-synthesized from multiple reported sources