Imphal, March 29 -- A hand grenade was discovered at the residential gate of the Registrar of the National Institute of Technology (NIT) Manipur, Kiyamgei Manining Leikai, under Irilbung police station in Imphal East district, on Friday night.

Authorities suspect that members of an underground outfit were responsible for the act.

Police reported that suspected cadres of the proscribed Kangleipak Communist Party - People's War Group (KCP-PWG) planted a high-explosive hand grenade, marked as "Last Warning," at around 10 PM.

A handwritten note was found with the grenade, addressing Khumukcham Tomba, the Registrar of NIT Manipur.

Upon receiving an emergency alert, a team from the Irilbung police station, along with bomb disposal experts f...