Group 1 - The South Korean court sentenced former President Yoon Suk-yeol to life imprisonment for leading a coup, marking him as the first former president in nearly 30 years to face such charges [1][3][9] - Yoon Suk-yeol is the second former president after Chun Doo-hwan to face a death penalty request from prosecutors, highlighting the severity of the charges against him [3][9] - The prosecution argued that Yoon abused his presidential powers to organize criminal activities, aiming for political monopoly and long-term rule, which they classified as anti-state behavior under the National Security Law [9][10] Group 2 - Supporters of Yoon gathered near the court, with approximately 4,300 participants urging for his acquittal, while opposing groups organized a rally with around 5,000 participants demanding a guilty verdict [4][6] - The police deployed over 1,000 officers to maintain order during the protests, which included heated exchanges but were prevented from escalating into physical confrontations [6] - Civil groups, including "Candlelight Action," called for the most severe legal penalties for Yoon, citing the tragic Itaewon crowd crush incident that resulted in 159 deaths [7]