VARANASI, Nov. 17 -- Over 24 hours after the collapse of a stone mine in Uttar Pradesh's Sonbhadra district, rescuers were in a race against time as about 10 workers remained trapped under the debris and one death was confirmed even as NDRF teams equipped with oxygen cylinders were engaged in attempts to save the trapped personnel.

The incident took place in the Billi Markundi mining area under the Obra police station limits in Sonbhadra on late Saturday afternoon.

Additional director general of police, Varanasi Zone, Piyush Mordia, said, "Relief and rescue operations are underway while efforts are on to clear the debris and locate the trapped workers. The NDRF, SDRF and fire departments' teams are engaged in relief and rescue operation...