South Korea reels after martial law whiplash

South Korea is reeling after a whiplash six hours during which the country’s embattled president declared martial law but was forced to lift it. Resignations are rolling in from the president’s senior staff, workers from South Korea’s largest union are protesting, and security is tight around the National Assembly. Calls are growing for President Yoon Suk Yeol to resign or face impeachment. CNN's Kristie Lu Stout reports the latest on the political upheaval in South Korea