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

South Korea's anti-corruption agency detains impeached President Yoon Suk Yeol over his brief declaration of martial law.

President Yoon Suk Yeol was arrested and taken for questioning after more than 3,000 police officers marched on his residence in the early hours of Wednesday.