The impeachment of South Korea’s acting President Han Duck-soo has plunged the country into further political turmoil, coming less than two weeks after lawmakers impeached President Yoon Suk Yeol.

South Korea's main opposition party vowed on Tuesday to impeach acting president Han Duck-soo but reversed an earlier plan and decided to wait until later in the week, party officials said, as the risk of further political uncertainty heightened.

A day after Han Duck-soo vowed not to appoint three judges for the Constitutional Court, the main opposition party impeached the acting president.

In the heart of Seoul, thousands of South Koreans gathered in the snow to protest for and against the arrest of impeached President Yoon Suk Yeol. With his arrest warrant expiring soon, the country faces a high-stakes political crisis.

The impeachment of Han Duck-soo, acting president since Yoon was impeached on Dec. 14 for declaring martial law, has thrown South Korea's once-vibrant democratic success story into uncharted territory.

Some Seoul residents shared their views on the attempt to arrest impeached President Yoon Suk-yeol. On Friday, a group of prosecutors and investigators of the Corruption Investigation Office for High-ranking Officials (CIO) arrived in the presidential residence in central Seoul,

South Korean investigators attempted to detain the impeached President Yoon Suk Yeol over his short-lived imposition of martial law last month. Supporters of Yoon and demonstrators demanding his arrest gathered near the presidential residence in Hannam-dong,

South Korea's main opposition party said it will introduce a bill to impeach acting President Han Duck-soo on Thursday and hold a vote on Friday, a move that could deepen the country's constitutional crisis triggered by a short-lived martial law.