"rescue-teams"

Sensors installed to continuously monitor air quality; adequate airflow procedures being implemented to support rescue efforts

Ultra-thermal cutters deployed to remove parts of the tunnel boring machine; reinstallation of loco train tracks under way

It is believed that the pocket where the workers are trapped is only 100 metres away from the rescue teams

As many as 119 equipment are on the list of requirements to help the Disaster Response Force (DRF) teams gear up to undertake operations.

"Seven injured security personnel who were shifted to Raipur are out of danger. 21 personnel are missing and rescue teams are searching for them," Chhattisgarh CM Bhupesh Baghel told.