According to Dantewada police, a large number of ultras stormed the NMDC's Bacheli iron ore mines at around 2.30 AM and set on fire its over 80 metres of conveyor belt, bringing a halt to the mining operations, they said.
NMDC sources said the attackers took the advantage of the situation as all the units were closed yesterday on account of Vishwakarma Puja and burnt the conveyor belt no. 29 in Bacheli.
"The loss caused due to the fire is yet to be ascertained," he said, adding that security personnel have launched a search to nab the attackers.
According to a NMDC official, the damage to the belt would affect the transportation of iron ore from the region for a couple of days, resulting in losses worth several crores to the public sector undertaking.
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According to the latest annual report of the state-owned miner, the major risk it is facing is the Maoists' attacks in and around its project at Bailadila on and off.
"Such attacks have made some impact on production which has affected the movement of ore from the Bailadila sector. The company is in contact with the government agencies for support and protection of its people and installations. The initiatives taken by the government of Chhattisgarh and the central government are expected to find a solution to the risk at the earliest," NMDC said in its annual report.
The slain security personnel were on patrol duty guarding the NMDC's facility in Kirandul when armed naxals ambushed them with heavy gunfire.