Unidentified miscreants hurled a hand grenade at the house of Khyber Pakhtunkhwa Minister for Revenue, Ali Amin Khan Gandapur here on Tuesday. However, no casualty was reported. According to police, the motorcyclists threw a hand grenade on the residence of the Minister in the limits of cantonment police station where offices of Government Departments were located. However, the Minister was not present in his house at the time of attack, police said. No loss of life and property was reported. The attackers escaped from the scene.