A former military commander who has accused President Yoon Suk Yeol of ordering the removal of lawmakers from the National Assembly building during December's brief imposition of martial law is set to testify at Yoon's impeachment trial Thursday.

The charges are unprecedented for a South Korean president, and if convicted, Yoon Suk Yeol could face years in prison for his shock martial-law decree, which sought to ban political and parliamentary activity and control the media.

Prosecutors indicted detained South Korean President Yoon Suk Yeol on Sunday on charges of leading an insurrection with his short-lived imposition of martial law last month.

South Korean prosecutors on Sunday indicted impeached President Yoon Suk Yeol on rebellion in connection with his short-lived imposition of martial law.

Prosecutors in South Korea have indicted impeached President Yoon Suk Yeol in connection to insurrection charges. South Korea’s parliament voted to impeach Yoon last month after he briefly

South Korean prosecutors indicted impeached president Yoon Suk Yeol on Sunday on charges of leading an insurrection, with his short-lived martial law declaration on 3 December.

South Korean investigators asked prosecutors to indict the country’s detained President Yoon Suk Yeol over his short-lived imposition of martial law last month, as it accused him of rebellion, abuse of power and obstruction of parliament.

A top South Korean military commander said on Tuesday he trusted President Yoon Suk Yeol to be making a legitimate decision when he declared martial law, but declined to say if the impeached leader gave orders to "drag" lawmakers out of parliament.

A former head of the Defense Counterintelligence Command, indicted in connection with President Yoon Suk Yeol's short-lived martial law declaration, said Tuesday that he repeatedly expressed his opposition to the scheme to Yoon,