
The opposition's Lee Jae-myung is the frontrunner - and the ruling party's Kim Moon-soo, a former member of Yoon's cabinet, is trailing him.
The election has been shaped by the fallout from Yoon's brief but disastrous move in December, which triggered divisive protests and months of political chaos.
The new president faces a polarised country, businesses anxious over US tariffs and an unpredictable ally in Donald Trump.
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