Two Assam Rifles personnel were killed and several others injured after unidentified gunmen ambushed a patrol in Manipur's Ukhrul district on Monday afternoon.
No group has claimed responsibility, though the area has long witnessed the presence of the NSCN (Isak-Muivah), which has been under a ceasefire agreement with the Centre since 1997.
Chief Minister Yumnam Khemchand Singh condemned the attack, as security agencies launched an investigation and intensified operations in the region.