South Korea's Constitutional Court could soon rule whether to dismiss or reinstate impeached conservative President Yoon Suk Yeol.

Amid rival mass rallies in Seoul, Yoon Suk Yeol is freed from detention as he faces trial on insurrection charges over his short-lived imposition of martial law.

The move followed a court ruling that the detention of President Yoon Suk Yeol was invalid, but it won’t affect the insurrection and other charges he faces for declaring martial law.

Investigators have alleged that Yoon's martial-law decree amounted to rebellion. If is convicted of that offense, he would face the death penalty or life imprisonment.

South Korea’s impeached President Yoon Suk Yeol has been released from prison a day after a Seoul court canceled his arrest to allow him to stand trial for rebellion without being physically detained

Yoon Suk Yeol walks free after prosecutors decide not to appeal a court decision to cancel the impeached leader's arrest warrant on insurrection charges, having declared martial law in December.

South Korea’s impeached president, Yoon Suk Yeol, on Saturday was released from jail, where he was being held while he faces a criminal trial on charges of insurrection for declaring martial law in December.

South Korea's air traffic authorities will ban drones from flying around the Constitutional Court in Seoul from Thursday ahead of the ruling on the impeachment of President Yoon Suk Yeol. The measure will take effect from Thursday to Wednesday next week,

If South Korea formally impeaches its suspended president over his martial law debacle, one firebrand pastor says he is ready for "revolution".