What are ‘rat miners’? Controversial specialists brought in for final stretch of India tunnel rescue
The IndependentFor free real time breaking news alerts sent straight to your inbox sign up to our breaking news emails Sign up to our free breaking news emails Sign up to our free breaking news emails SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy A mining technique that has been prohibited in India over safety concerns has proven instrumental in rescuing the 41 workers trapped inside a collapsed tunnel in the Himalayas. The technique dubbed “rat-hole mining” has been used to dig through the final stretch of fallen rocks and debris and reach the workers, who have remained trapped in the collapsed tunnel in Uttarakhand for 17 days. Rescue workers began trying to drill through the collapsed portion of the tunnel using a US-made augur machine, which was flown in to the site, but it has broken down repeatedly and was deemed “irreparable” with a significant portion of the 60m debris wall still to go. open image in gallery Indian miners trapped in illegal ‘rat-hole’ pit for more than three weeks These workers are trained in narrow tunnel excavations and use handheld tools for digging through rock.