Finance Minister Choi Sang-mok became on Friday South Korea's second acting president in two weeks, as lawmakers voted to impeach the current acting leader, Prime Minister Han Duck-soo, fuelling political uncertainty in Asia's fourth-largest economy.

U.S. Secretary of State Antony Blinken met South Korea's acting leader Choi Sang-mok in Seoul on Monday. Millions should prepare for disrupted travel and winter conditions as a fierce storm is set to bring ice, snow and freezing rain to much of the U.S.

The turnover at the top of Asia’s fourth-largest economy left the government scrambling when Jeju Air flight 7C2216 slammed into a wall at Muan International Airport on Sunday

Choi, 61, a veteran economic technocrat who has served for more than 30 years at the finance ministry, takes on an unprecedented role as successor to an impeached acting leader.

South Korea's acting President Choi Sang-mok said on Thursday immediate action must be taken if a special inspection of all Boeing 737-800 aircraft operated in the country

South Korea's political turmoil deepens. Finance Minister Choi Sang-mok is now the acting president, following the impeachment of Han Duck-soo over his refusal to appoint justices to fill vacancies at the Constitutional Court.

Yoon has been lying low at his official residence in Hannam-dong, an upscale district popular with business tycoons and celebrities known as Korea's Beverly Hills. Meanwhile, investigators seeking to question him on allegations of insurrection have struggled to execute a warrant for his arrest.