Shimla (Himachal Pradesh): Four people were killed after an under-construction tunnel of a hydropower project of the NHPC collapsed in Himachal Pradesh's Kullu district, police said on Saturday.
The incident occurred at Pancha Nullah near Garsa, Superintendent of Police Gaurav Singh said.
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Six labourers were working at the NHPC-II hydropower project when the incident took place on Friday. Two labourers were rescued.
The NHPC is undertaking the construction of the Parbati Hydro Electric Project - II and three diversion tunnels were under construction. One of the tunnels caved in during drilling.
(IANS)