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.

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.