Yoon Suk Yeol has become South Korea’s first sitting president to be arrested after investigators scaled barricades and cut through barbed wire to take him into custody.
Yoon, 64, is being investigated on charges of insurrection for a failed martial law order on 3 December that plunged the country into turmoil.
He has also been impeached by parliament and suspended – but will only be removed from office if the Constitutional Court upholds the impeachment.
Yoon’s dramatic arrest on Wednesday, however, brings to an end a weeks-long standoff between investigators and his presidential security team.
Investigators from the Corruption Investigation Office for High-ranking Officials (CIO) failed to arrest him on 3 January after being locked in a six-hour standoff with his security detail.
But just before dawn on Wednesday, a much larger team of investigators and police arrived at his residence in central Seoul, armed with ladders to climb over buses blocking its entrance and bolt croppers to cut through the barbed wire.
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Other officers in the arrest team, which numbered around 1,000, scaled walls and hiked up nearby trails to reach the presidential residence.
After several hours, authorities announced that Yoon had been arrested.
In a three-minute video released just before his arrest, the 64-year-old leader said he would co-operate with the investigators, while repeating previous claims that the warrant was not legally valid.
“I decided to appear before the CIO, even though it is an illegal investigation, in order to prevent any unsavoury bloodshed,” he said, adding that he witnessed officials “invade” his home’s security perimeter with fire equipment.
On Wednesday afternoon, investigators said Yoon had remained silent throughout questioning.
Yoon’s lawyers have said his arrest is “illegal” because the CIO, as an anti-corruption agency, has no power to investigate the insurrection allegations against Yoon. They also claim the warrant was issued by the wrong jurisdiction.
However, officials from the Supreme Court and justice ministry have maintained that the arrest warrant was lawful.
The opposition Democratic Party’s floor leader, Park Chan-dae, said Wednesday’s arrest showed that “justice in South Korea is alive”.
This arrest “is the first step toward restoring constitutional order, democracy and the rule of law,” he said during a party meeting.
The country is currently being led by Finance Minister Choi Sang-mok as acting president. He was thrust into power after the first acting president, Han Duck-soo, was also impeached by parliament, where the opposition has a sizeable majority.
What’s next for Yoon?
The clock has started ticking for investigators.
Under the current warrant they can hold Yoon for up to 48 hours from the point of arrest, after which they need a new warrant to detain him while he is investigated.
If that warrant is granted, they can detain him for up to 20 days before he is brought to trial. Without a new warrant, Yoon must be released.
He is expected to be detained at the Seoul Detention Centre in Uiwang, Gyeonggi Province, approximately 5km (3 miles) from the CIO’s office.
Pro-Yoon supporters have continued to protest against the arrest outside the investigating office, where he was taken for questioning.
They had gathered outside his house before dawn on Wednesday, along with those opposing him.
The anti-Yoon crowd blasted out a “congratulations and celebrations” song when his arrest was announced, cheering and clapping at what they see as a success for law enforcement.
Yoon’s supporters, however, were dismayed. “We are very upset and angry. The rule of law has broken down,” one of them told the BBC.
