Drilling operation launched at Tapovan tunnel to rescue trapped workers

Rescuers launched a drilling operation on Thursday at the Tapovan tunnel, where an estimated 30-35 people have been trapped since a flash flood battered various villages and hydro-power projects in Uttarakhand's Chamoli district, claiming 34 lives, while about 170 people are still missing.

source https://timesofindia.indiatimes.com/india/drilling-operation-launched-at-tapovan-tunnel-to-rescue-trapped-workers/articleshow/80837959.cms