Newmai News Network Imphal | November 17 The United National Liberation Front (UNLF) has claimed responsibility for the grenade attack on the grenade attack in the Manipur Legislative complex on November 16. In a press release this evening, the UNLF said that the outfits armed wing Manipur People’s Army (MPA) had carried out the attack. Following the attack on the Manipur Legislative Assembly, security measures have been immensely enhanced.