Munger, Dec. 23 (PTI): The state police today busted four illicit minigun factories at Barhad village in Munger district and arrested four persons in this connection.

Deputy inspector-general of police (DIG), Munger range, Anil Kishore Yadav said police raided the village following on a tip-off and busted the factories from where they seized nine country-made pistols, seven semi-processed pistols, four ammunition among a haul of equipment used for processing weapons.

The police arrested four persons while they were processing the weapons, the DIG said.

The accused have been booked under the Arms Act and other penal provisions, Yadav added.