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.

Lee Jae Myung wins big in South Korea election – now he faces his toughest challenge yet - ANALYSIS: Lee Jae Myung takes on the leadership of South Korea with one of the strongest public mandates in decades – but also facing the daunting task of renegotiating Seoul’s relationship with the US,

South Korea's liberal party candidate Lee Jae-myung is projected to win Tuesday's snap presidential election by wide margins, according to exit polls.