A grenade blast has yet again rocked Imphal in the poll-bound state of Manipur on Wednesday evening.

As per reports, a hand-grenade was tossed at the house of an NPP supporter in Imphal east district. One person was injured.

In the attack, 27-year-old son of the NPP supporter, one K Loken, suffered injuries on his right leg.

The identity of the attacker is yet to be ascertained.

Manipur will go to polls on February 27 and March 3. The counting of votes will be done on March 10.