South Korea's acting president faces an impeachment vote on Friday, intensifying a political crisis as the Constitutional Court meets for its first hearing on suspended President Yoon Suk Yeol's short-lived martial law declared on Dec.

As the president awaits an impeachment trial, the country’s interim leader may, too, be ousted. The currency has plunged as the crisis has deepened.

Lawmakers from South Korea’s opposition party are planning to vote on Friday to impeach Prime Minister and acting President Han Duck-soo. The country’s National Assembly already impeached and suspended President Yoon Suk Yeol earlier this month for imposing an unpopular martial law in the country.