New Delhi, May 7 -- An South Korean appeals court has reduced the prison sentence of a former prime minister convicted of rebellion for his role in then President Yoon Suk Yeol's ill-fated imposition of martial law in December 2024.

Ex-Prime Minister Han Duck-soo, a Yoon appointee, was sentenced to 23 years by a Seoul court in January. Yoon was sentenced to life in prison for rebellion the next month.

On Thursday, the Seoul High Court upheld most of Han's convictions, but reduced his sentence to 15 years.

It upheld charges including that Han tried to create the appearance of legitimacy for Yoon's illegal decree by getting it endorsed at a Cabinet meeting and discussing plans to cut off of water and electricity to critical media agencie...