Thousands of South Koreans gathered in downtown Seoul on March 15 to participate in massive rallies both supporting and opposing President Yoon Suk Yeol after his impeachment. The street was filled with people as the Constitutional Court was close to deciding on whether to formally remove him from office due to his implementation of martial law in December.
Source: https://www.france24.com/en/video/20250315-huge-crowds-march-in-rival-rallies-for-and-against-south-korea-s-impeached-president
