By Joyce Lee and Ju-min Park SEOUL (Reuters) -South Korean President Yoon Suk Yeol was ousted by the Constitutional Court on Friday, which upheld parliament's impeachment motion over his short-lived imposition of martial law last year that sparked the country's worst political crisis in decades.

South Korea's impeached president Yoon Suk Yeol has been ousted from office by the country's constitutional court. Yoon was impeached over his imposition of martial law on Dec. 3 in a surprise late-night broadcast where he declared martial law in South Korea,

South Korea’s Constitutional Court is set to rule Friday on the impeachment of President Yoon Suk Yeol, either removing him from office or restoring his powers four months after he threw the country into turmoil with an ill-fated declaration of martial law.