President Yoon vowed to “fight until the last moment” on Thursday, in his second public appearance since his unsuccessful martial law gambit.
Yoon lashed out at critics of his failed attempt last week to impose military rule on the country.
Han Dong-hoon, leader of the ruling People Power party, signalled he was preparing to support Yoon’s impeachment on Saturday.
On Wednesday, South Korea’s corruption investigation office for high-ranking officials reportedly said it would seek the detention and arrest of President Yoon Suk Yeol if conditions are met.
Asia Business Correspondent Peter Lewis talks to Ryan Bridge.
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