South Korean President Yoon Suk Yeol has not responded to a summons for questioning over his failed attempt to declare martial law.

South Korea's constitutional court has begun trial proceedings for the impeachment of President Yoon Suk Yeol, who was suspended for declaring martial law and plunging his country into political turmoil.

South Korea’s impeached President Yoon Suk Yeol dodged requests by investigative agencies to appear for questioning over his short-lived martial law decree, as the Constitutional Court began its first meeting Monday on Yoon's case to determine whether to formally unseat or reinstate him.