The CIO and the prosecution agreed to jointly investigate Yoon's "insurrection" charge by questioning the impeached president for 10 respective days. The prosecution was widely expected to indict Yoon for the "insurrection" and other charges around Feb 5. Yoon rejected the CIO's repeated call to appear for questioning.

South Korean investigators recommended Thursday that impeached President Yoon Suk Yeol be charged with insurrection and abuse of power, as they handed over the results of their probe into his ill-fated declaration of martial law to prosecutors.

South Korea's anti-corruption agency requested on Thursday that prosecutors indict President Yoon Suk Yeol for committing insurrection and abuse of power over his short-lived declaration of martial law after transferring his case to the prosecutors' office.

South Korean President Yoon Suk Yeol attended on Tuesday a Constitutional Court hearing of his impeachment trial where he denied ordering military commanders to drag lawmakers out of parliament during his short-lived bid to impose martial law.

By Joyce Lee SEOUL (Reuters) -South Korean President Yoon Suk Yeol attended on Tuesday a Constitutional Court hearing of his impeachment trial where he denied ordering military commanders to drag lawmakers out of parliament during his short-lived bid to impose martial law.

South Korean President Yoon Suk Yeol appeared in a Seoul court for his impeachment trial Tuesday, defending his short-lived martial law bid and denying charges that he ordered the military to drag lawmakers away.