"North Korea is very likely to seek to capitalize politically. But the South Korea-US alliance is robust, with the two main political parties and 90% of South Koreans supporting it," Ramon Pacheco Pardo, Head of Department of European and International Studies at SOAS, told Business Insider.

President Yoon Suk Yeol’s rescinded martial law declaration will test relations with the U.S., and raises questions about the nearly 30,000 American troops in the country.