Miscreants placed a hand grenade to the residence of Ex – Zilla Parishad member of Wangkhem – W. Leimaton (56), wife of W. Detin at Yairipok Wangkhem Bazar under Yairipok Police Station. The hand grenade was found lying under a Gypsy vehicle parked at the ground floor of her residence at around 7am today. A team of police retrieved the hand grenade at around 8.30am today.