KP Inspector General of Police claimed that the Kohat attack likely involved which nationality of terrorists?

Explanation: The Khyber Pakhtunkhwa Inspector General of Police claimed that Afghan terrorists were involved in the Kohat Police Lines attack, reinforcing Pakistan's long-standing position that militant groups operating against it, particularly the Tehreek-e-Taliban Pakistan, use safe havens across the border in Afghanistan. This claim is central to Pakistan's repeated demands at forums such as the United Nations Security Council for Kabul's interim authorities to act against cross-border militant sanctuaries.