Prime Minister Han Duck-soo, who became South Korea's acting president after Yoon Suk Yeol's impeachment, is a career technocrat whose wide-ranging experience and reputation for rationality may not be enough to stem the country's deepening political crisis.

South Korea's opposition said on Thursday it had filed an impeachment motion against acting leader Han Duck-soo, in an escalating row over the composition of the Constitutional Court that would decide whether to remove his predecessor from office.

South Korea’s main opposition party on Thursday submitted a motion to parliament on Thursday seeking the impeachment of prime minister and acting president Han Duck-soo. The announcement by the liberal Democratic Party (DP) comes after Han said that he will not appoint justices to the Constitutional Court,