Three killed, one injured in hand grenade explosion in Pak's Khyber Pakhtunkhwa

A devastating hand grenade explosion has rocked Khyber Pakhtunkhwa province. Three individuals lost their lives in the blast at a local's residence in Bara tehsil, Khyber district. One person sustained serious injuries and is receiving medical attention. Authorities have secured the site and launched a thorough investigation into the incident's cause.