Three coal miners were injured after a detonator “misfired” during a drilling operation in KTK-8 incline underground coal mine of the State-owned Singareni Collieries Company Limited (SCCL) in Bhupalpally of Jayashankar Bhupalpally district on Thursday.
The incident occurred due to accidental detonation of an unexploded detonator in a shothole when four coal miners were engaged in drilling operation in the underground coal mine around 11.30 a.m., SCCL sources said.
Three coal miners, identified as Ramakrishna, Srinivas and Rajasekhar, were injured by flyrock in the incident.