North Korea's foreign minister has died, the country's official media reported Wednesday. North Korean leader Kim Jong Il expressed his condolences over the death of Foreign Minister Paek Nam Sun, the North's Korean Central News Agency reported. The one-sentence dispatch did not provide any more details, including when or how he died. Paek, who was 78, has been the North's top diplomat since 1998. News reports have said he was suffering from an unknown illness. It was unclear who would succeed him.