Rescue operations by multiple state and central agencies continued for the fourth day on Thursday to locate trapped miners inside an illegal rat-hole coal mine in Dima Hasao district of Assam, officials said.

Kilo Coal Quarry in Umrangso area, around 250 km from Guwahati, after a sudden gush of water flooded the site.

Six workers are still trapped in the mine while the bodies of two others, whose deaths were confirmed by the state government, are yet to be recovered.