The security personnel were returning after carrying out an anti-Maoist operation when the blast occurred last night in a forest near Ranibodli village, around 450 kms from here, a local police official told PTI.
The ultras detonated the IED near a rivulet, just a few metres away from the patrolling team while it was passing through the forest, he said.
The three personnel belong to CAF's 9th battalion sustained superficial splinter injuries in the incident, the official said.
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