South Korea's main opposition party threatened on Monday to impeach acting president Han Duck-soo if he failed to proclaim a law to launch a special counsel investigation into President Yoon Suk Yeol's failed bid to impose martial law.

Yoon must immediately hand over power to the prime minister, who will act as caretaker while the courts review the impeachment vote. The process could take months.

The prime minister is set to assume presidential powers on an interim basis. The constitutional court will now review the vote, which could take months.

The motion passed with a decisive 204-85 vote, triggering the suspension of Yoon's presidential powers and duties.

South Korean President Yoon Suk Yeol made international headlines when he declared martial law in his country in a shock late-night move that saw Army troops move to see key buildings and infrastructu

Demonstrators supporting and opposing South Korean President Yoon Suk Yeol held rival protests several hundred metres apart in Seoul on Saturday, a week after he was impeached over his short-lived declaration of martial law.

Opponents and supporters of South Korean President Yoon Suk Yoon held rival demonstrations in Seoul on Saturday – a week after he was impeached for declaring martial law. Tens of thousands of anti-Yoon protesters,

Thousands of supporters of South Korean President Yoon Suk Yeol rallied in the capital Seoul on Saturday (December 21), demanding his presidential duties to be reinstated after he was impeached nearly a week ago over a botched martial law decree.