A group of about 60 ultras triggered a blast using powerful explosives and destroyed the bridge in the wee hours, police said.
The incident was apparently aimed at stalling movement of security forces as they were using the vital road to undertake combing operations against the red rebels, police said.
In another incident in Kalimela area, Maoists looted the house of a Special Police Officer Lacha Madkami of Sangel village in the late Friday night.
Earlier, the Maoists had asked Lacha to resign from the SPO post, police said.


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