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.

South Korean investigators managed to arrest impeached President Yoon Suk Yeol on Wednesday while avoiding a violent clash in the middle of Seoul. But the nation’s troubles are far from over.

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