In a final statement at his impeachment trial, South Korean President Yoon Suk Yeol defended his martial law decree that plunged the country into chaos as a bid to inform the public of the danger of the opposition-controlled parliament as he vowed Tuesday to push for political reform if reinstated.

South Korea's impeached President Yoon Suk Yeol is accused of imposing military rule without valid constitutional reasons and faces removal less than three years into his five-year presidential term.