South Korea’s prosecutors indicted the impeached president, Yoon Suk Yeol, on Sunday on charges of leading an insurrection with his short-lived imposition of martial law on 3 December, the main opposition party said.

The charges are unprecedented for a South Korean president, and if convicted, Yoon could face years in prison for his shock martial law decree, which sought to ban political and parliamentary activity and control the media.
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The prosecutors’ office did not immediately respond to requests for comment. The indictment was also reported by South Korean media.
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Insurrection is one of the few criminal charges from which a South Korean president does not have immunity. It is punishable by life imprisonment or death, although South Korea has not executed anyone in decades.

https://www.theguardian.com/world/2025/jan/26/south-korea-yoon-suk-yeoul-indicted