Security sources suspect the fresh wave of attacks was carried out with the huge cache of automatic and semi-automatic weapons and mortars looted from the armoury of the 2nd India Reserve Battalion HQ at Naranseina in Bishnupur district on Thursday.
According to a police officer in Imphal, the Improvised Explosive Device (IED) explosion occurred late on Wednesday evening inside a vehicle. Additional security forces were deployed to the area to ensure the safety of local residents and to investigate the incident.