• South Korea K-1 tanks fire live rounds during air and ground military exercises on the Seungjin Fire Training Field, in mountainous Pocheon December 23, 2010.

    Korean situation a 'tinderbox,' envoy says

    Amid large-scale South Korean military drills near the border with North Korea, a top official from the North warned against intrusion into its territory, threatening war and citing possible use of nuclear weapons, while an unofficial U.S. ambassador said the situation was like a tinderbox.