The explosion took place beside a road in Moreh police station in Tengnoupal district last night.
However, there was no casualty.
Police said that there had been a bomb explosion on Wednesday night in Moreh, followed by a twin bomb attack on the escort party of Parliamentary Secretary (Home) L Susindro Meitei on Friday near Kwatha Lamkhai, 12 km from the town.
Four police personnel had been injured in the attack.
Security measures were beefed up along Indo-Myanmar border following the blasts, police said.