Chamoli, Aug. 14 -- A massive rescue operation is underway in Uttarakhand's Chamoli district after a sudden disaster struck an under-construction tunnel. As heavy rain continues to lash the region, rescue teams are racing against time and rising water levels to save those still trapped inside. While many have been brought to safety, the incident has left families grieving and the administration on high alert.

12 have been rescued, seven bodies recovered, while three remain missing in the Chamoli tunnel collapse incident, said NDRF DIG Mohsen Shahedi on Friday.

The incident occurred after a landslide-like event near the Birhi River sent a heavy surge of water and debris into the tunnel, trapping workers who were on duty, the NDRF team co...