Odisha, Aug 12 (ANI): Acting on a tip-off, Police raided and busted an illegal gun manufacturing unit in Odisha's Angul district. A total of 31 country-made pistols and 500 rounds of live cartridges were seized from the unit that was running inside a rented house. Superintendent of police Narasingh Bhola, Angul District said that the state police acted on intelligence input on illegal trading and manufacture of arms and ammunitions and raided several areas. Bhola added that a high level probe was underway. Police have arrested five accused while the prime accused has managed to escape.