North Korea / South Korea says North Korea has fired several missiles toward its eastern waters / North Korea makes first public admission it sent troops to fight for Russia / North Korea confirms sending troops to fight for Russia / North Korea breaks silence on sending troops to fight for Russia as '1,000 die' / North Korea confirms that it dispatched troops to Russia to support its war against Ukraine / Russian, North Korean senior diplomats discuss schedule of high-, top-level contacts / North Korean foreign minister's visit to Russia concludes today -- senior diplomat