Security forces gunned down six Naxalites during a five-hour encounter on Saturday in Majhidih village in Bihar's Banka district.
About 12 heavily-armed Naxalites, who were holed up in a house, opened fire on CRPF and SAP troopers after being asked to surrender, Acting Superintendent of Police B K Das said.
The security forces retaliated killing six Naxalites and also destroyed the house where the ultras were hiding, he
The encounter lasted for about five hours, Das said.
A Naxalite, identified as Devan Tuddu -- a native of Kaithavaran village, has been arrested, while about ten others escaped, he said, adding one SLR was recovered from the site of the encounter.
There was no casualty among the security personnel, he said.
The security forces have launched a combing operation in the nearby forces where some of the Naxalites might have escaped, Das said.