Six Naxalites were killed and eight others were arrested after an encounter with security forces in Darmaha village in Bihar's east Champaran district on Monday.
The over 12-hour-long encounter ended at 4 AM on Monday, Director General of Police (DGP) Neelmani said.
The bodies of all the six Naxalites have been recovered and eight ultras, including three women, have been arrested.
Security forces have also recovered 14 weapons comprising five SLRs, eight police rifles and one .315 rifle, besides explosives and ammunition from the spot, the DGP said.
A search operation was going on at the encounter site, Neelmani said.
The security forces were led by the Inspector General of Police (IG), Operations, CRF Assistant Commandant, two STF DSPs and other police officials in the operation against the Naxalites.