During the operation, an arms dealer identified as Khetrimayum Umakanta (44) was arrested. A single barrel country-made rifle, two country-made pistols, one country-made air pistol and large number of ammunition were recovered from his possession.
Angam said Umakanta allegedly manufactured the country-made weapons. He is in police custody for further interrogation.
In another incident, Imphal east district police commandos yesterday arrested three militants of Kangleipak Communist Party (Military Task Force) during search operation at Wangkhei Ayang Palli area in the district, police said.
Sources identified the militants as N Gogonbihari (25), L Bobi (35) and LisamAbung (21). Two mobile phones, party's extortion letters and some other underground materials were recovered from them.