The UNLF, in a statement today, said the attack near Zangnomphai village in Chandel district was carried out by its armed wing, Manipur People Army (MPA).
It claimed that the outfit did not suffer any casualty or injury.
A group of militants had ambushed Assam Rifles patrol party near the International Border pillar No 60 of Zangnomphai village on November 17 killing one and injuring two.