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

Both Lee and conservative Kim pledged change for a country deeply scarred by a shock martial law briefly imposed by former leader Yoon Suk Yeol.

South Korean President Lee Jae-myung’s campaign was marked a pragmatic pivot to the centre, but whether he will bridge left–right divides on foreign policy will be a defining feature of his presidency