A powerful Improvised Explosive Device (IED) went off at the Airport Road in Imphal on Monday evening, killing one and hurting one more.
Initial reports suggest that the blast took place along the Airport Road near Imphal College.
Reports added that the bomb had been planted in a garbage dump.
Earlier, another powerful IED, suspected to have been planted by militants, was recovered from a road in interior Thoubal district of Manipur by para-miltary forces, official sources said.
A boy playing in the area detected a suspicious object, weighing more than 3.5kg, and informed others who reported the matter to the nearby Assam Rifles personnel of 28th battalion post at Tairen Makhong.