Unidentified terrorists hurled a hand grenade at the ancestral house of former Federal Minister and Pakistan Tehreek-e-Insaf (PTI) leader Sheharyar Khan Afridi in Kohat town (Kohat District) of Khyber Pakhtunkhwa on September 22, reports Geo TV. Police said the hand grenade exploded outside the gate. No fatalities or injuries were reported in the attack.