Policeman killed in blast targeting foreign diplomats' convoy in Pakistan's Khyber Pakhtunkhwa

An improvised explosive device targeted a convoy of foreign diplomats in Pakistan's Khyber Pakhtunkhwa province, killing a policeman and injuring three others. The diplomats, from various countries including Russia and Vietnam, were unharmed. The blast occurred in Swat district, previously a Taliban stronghold. The injured policemen are in critical condition.