BREAKING: South Korean President Yoon Suk Yeol has declared martial law in an unannounced late-night TV address on Tuesday, where he accused opposition parties of sympathizing with North Korea and controlling parliament. It is the first time since 1979 that martial law has been declared in South Korea. There have been no reports of tanks or soldiers on the streets in the capital, Seoul, or elsewhere in South Korea, a key U.S. ally in the region and home to around 28,500 American troops. NBC's Ja