Imphal, July 22 2009: Unidentified armed persons exploded a hand grenade last night at the Uripok Khoi-snam Leikai residence of Koijam Nillo (80) who is the owner of Hotel Nirmala at MG Avenue, Imphal.

No one was hurt in the explosion which took place at around 10.30 pm, though the windscreen of a Scorpio car stationed nearby suffered damaged.

In protest against the attack, people of the locality staged a Wakat Meepham today.