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.

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.

SEOUL, South Korea — South Korean prosecutors on Sunday indicted impeached President Yoon Suk Yeol on rebellion in connection with his short-lived imposition of martial law, a criminal charge that could incur the death penalty or life imprisonment if convicted.

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.

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 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 declared martial law and thrust the country into chaos.

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,

South Korea's anti-corruption officials on Thursday requested that prosecutors indict impeached President Yoon Suk Yeol for insurrection and abuse of power for his short-lived martial law declaration.