How Yoon’s rival Lee Jae-myung and South Korean opposition rallied in defiance of martial law

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FILE PHOTO: South Korea's main opposition Democratic Party leader Lee Jae-myung, lawmakers and people attend a rally to condemn South Korean President's surprise declarations of the martial law last night and to call for his resignation, at the national assembly in Seoul, South Korea December 4, 2024. REUTERS/Kim Hong-Ji/File Photo

If Mr Yoon is forced from office, South Korea's main opposition Democratic Party leader Lee Jae-myung is seen as a top contender in the snap election that would be called.

PHOTO: REUTERS

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SEOUL – When South Korean President Yoon Suk Yeol

declared martial law

, lawmakers from the main opposition party raced special forces soldiers to the parliament building to hold a vote against the measures.

Now, the same politicians who climbed the compound's walls on Dec 3 to avoid security cordons are spearheading an effort to

impeach and investigate Mr Yoon and his top ministers

over the martial law bid.

Lee Jae-myung, 60, head of the main opposition Democratic Party (DP), narrowly lost the 2022 presidential vote to Mr Yoon and has since gone on to have an acrimonious relationship with the President.

On Dec 3, Lee and National Assembly Speaker Woo Won-shik, 67, were among lawmakers who scaled fences after masked soldiers

tried to block entry to Parliament

following a defence ministry decree banning activity by Parliament and political parties.

Lee live-streamed his exploit, urging viewers to come to the parliament building and demonstrate to prevent the arrest of lawmakers.

"It’s up to our citizens to protect this country," he said. "We will also risk our lives to protect the democracy of this country."

Mr Lee Jae-myung live-streamed himself climbing a fence to avoid security cordons at the National Assembly compound on Dec 3.

PHOTO: SCREENGRAB FROM LEE JAE MYUNG/YOUTUBE LIVE

Shortly before midnight, Mr Woo, a former DP member who is technically independent under the rules governing the Speaker's role, convened a session with 190 members of the 300-strong Parliament who had gathered.

Ten minutes later, they voted unanimously to oppose the martial law declaration, and at 4.30am Mr Yoon relented and said he would lift the state of martial law.

On Dec 7, Lee's party plans to hold a vote on a motion to impeach Mr Yoon, and has asked prosecutors to investigate the President and key ministers for their role in the matter.

If Mr Yoon is forced from office, Lee is seen as a top contender in the snap election that would be called.

A populist outsider and former governor of the most populous province in South Korea, Lee has been beset by his own legal troubles and scandals.

On Nov 15, a court convicted Lee of violating the election law, handing him a one-year prison term suspended for two years, a penalty that, if upheld, could jeopardise his bid to run for president. Lee said he would appeal against the conviction.

Ten days later he was cleared of another charge of having forced a witness to commit perjury, but still faces several other trials on matters ranging from bribery to charges mostly tied to a US$1 billion (S$1.3 billion) property development scandal. REUTERS

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