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.

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.