International tunnelling expert Arnold Dix, who has been contacted for help in rescue operation in Uttarkashi, offered prayers at a small temple built near the entrance of the tunnel.
Uttarkashi Tunnel Collapse Updates: While using the auger machine, 'there might be some obstruction' like iron rods from the roof that were already touching the rubble or more rock falls from the roof.
At least 40 workers were feared trapped after an under-construction tunnel in Uttarakhand's Uttarkashi district collapsed on Sunday morning. Rescue operations are still underway at the site.