In Uttarakhand, about 50 meters of under-construction tunnel collapsed from Silkyara to Dandalgaon on the Brahmakhal-Yamunotri National Highway in Uttarkashi on Sunday.<br />''<br />''According to reports, at present around 36 laborers are trapped in a tunnel. Immediate relief and rescue work is being carried out at the incident site. Uttarkashi Superintendent of Police Arpan Yaduvanshi has said that adequate oxygen has been provided to the stranded people, and no casualties have been reported so far.<br />''<br />''SDRF, NDRF, and heavy machinery have been deployed on the spot to remove debris from the tunnel.<br />