https://www.news18.com/india/uttarkashi-tunnel-collapse-live-updates-uttarakhand-first-visuals-workers-vertical-drilling-machine-rescue-ops-silkyara-livenews-8670250.html
Uttarkashi Tunnel Rescue: In an update today, officials said 39 metres of drilling has been done in the 70-metre debris which had to be broken through to reach the trapped workers
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