Opposition leader Lee Jae-myung was sworn in as South Korea’s next president on Wednesday following a dramatic snap election six months after the country’s previous leader declared martial law and plunged the nation into chaos.

SEOUL, South Korea — South Korean media say liberal opposition candidate Lee Jae-myung has been elected president. South Korean media outlets including Yonhap news agency and SBS television station reported early Wednesday that Lee has won the election. The main conservative candidate Kim Moon Soo earlier conceded defeat.

South Korea's voters cast their ballots in a snap presidential election sparked by the impeachment of Yoon Suk Yeol.