Man Detained by North Korea , Believed to Be US Soldier.<br />On July 18, the United Nations Command announced in a tweet that a U.S. national is being held by North Korea, CNN reports. .<br />The man, now thought to be a U.S. soldier, reportedly crossed North and South Korea's Military Demarcation line, which resulted in his detainment.<br />CNN reports that the <br />Military Demarcation Line is only <br />represented by a small line on the ground. .<br />A single step over it determines whether one is standing in North Korea or South Korea.<br />When Joint Security Area (JSA) tours <br />are conducted, participants are typically <br />kept 20 yards away from the line.<br />The soldier's detainment comes at a time of raised tensions between the U.S., its allies and North Korea.<br />Kim Jong Un has been ramping up intercontinental ballistic missile tests.<br />Also on July 18, a nuclear-capable American submarine <br />made a port call at South Korea's port of Busan <br />for the first time in over 40 years, CNN reports.<br />Also on July 18, a nuclear-capable American submarine <br />made a port call at South Korea's port of Busan <br />for the first time in over 40 years, CNN reports.<br />During a Nuclear Consultative Group (NCG) summit in April, U.S President Joe Biden and South Korean President <br />Yoon Suk Yeol revealed measures intended to force North Korea to think twice about attacking its southern neighbor
