This was the second bid to arrest the impeached president, following a failed attempt on Jan.3 when agents from South Korea's Presidential Security Service had blocked investigato

Yoon’s detention, after a tense standoff outside the presidential residence, marks the latest chapter in a bewildering series of events since his martial law decree.

The development, which followed a failed arrest attempt earlier in January, deepens the fallout from his short-lived declaration of martial law last month.