The opposition coalition, which holds a majority in parliament, needs eight members of the ruling party to impeach the president.

On Saturday, the initial impeachment effort failed after Yoon's People Power Party boycotted the session, preventing quorum to hold the vote. To impeach Yoon, at least 200 of the parliament's 300 lawmakers must vote in support of the move. The ruling party holds 108 seats in the legislative body.

The court will decide whether Mr. Yoon is guilty of the crimes that the National Assembly claims he committed and whether they are serious enough to merit impeachment. If at least six members of the nine-judge court vote to impeach,

South Korean lawmakers began impeachment proceedings against President Yoon Suk Yeol after he briefly imposed martial law and then reversed course on that decision just hours later. Yoon claimed martial law was necessary to protect the country from "North Korea's communist forces" and to "eliminate anti-state elements.

Lawmakers could vote to impeach Yoon Suk Yeol as soon as Friday. Regardless of the outcome, it is clear that the president’s political future is in grave doubt.

South Korean opposition lawmakers are pushing to hold an impeachment vote on Saturday against President Yoon Suk Yeol as the fallout from his short-lived declaration of martial law continues.

South Korean President Yoon Suk Yeol is facing mounting pressure to resign over his failed attempt to impose martial law, as parliament moves closer to a vote on his impeachment. The capital Seoul has seen a second day of street protests demanding Yoon's resignation while police said he was being investigated for "insurrection".

South Korean President Yoon Suk Yeol on Dec. 3 declared martial law in a televised announcement, accusing the opposition of “antistate” activities.

South Korean President Yoon Suk Yeol’s party vowed to oppose efforts to impeach him over his failed attempt to impose martial law, as opposition lawmakers said they would vote on the motion on Saturday.