ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: North Korea has held massive anti-U.S. and South Korea rallies across the country in support of its army, amid high tensions on the Korean peninsula, the North's state-run television KRT reported on Thursday.<br/> <br />KRT showed massive rallies in Kangwon Province, Ryanggang Province and Southern Hwanghae Province, but it didn't say when those rallies were held.<br/> <br />The video broadcasted by the state television showed thousands of people dressed in military uniform gathering in a square, chanting anti-U.S. slogans and marching down the streets while holding a banner with messages such as "Let's destroy our mortal enemy, the United States."<br/> <br />Tensions have been escalated on the peninsula after Pyongyang was hit with U.S. sanctions for conducting a third nuclear test in February and the United States and South Korea staged military drills that North Korea viewed as hostile.<br/> <br />Pyongyang then threatened a nuclear strike on the United St
