Dozens of workers have been trapped in a Uttarakhand tunnel for nearly 140 hours with a giant drill being deployed to save them. The rescue operations came to a halt yesterday evening after hearing a sudden "cracking sound" and the drilling machine developed a snag. br br #UttarkashiTunnel #Uttarakhand #Uttarkashi #PushkarSinghDhami #PMModi #Modi #India #UttarakhandNews #Dehradun #OneIndia #OneindiaNewsbr ~PR.152~ED.