Before the attempt was stood down, Yoon’s security team told the news agency they had been “in negotiation” with the investigators who sought to access the president.
Police have opened a criminal case against the chief of Yoon’s security service and his deputy, and summoned them for questioning, according to Yonhap.
Yoon’s legal team was also seen entering the residence slightly past noon local time.
His lawyer Yoon Gab-keun earlier said they would take legal action over the arrest warrant, arguing that investigators lacked the authority to detain him.
Meanwhile, Park Chan-dae, the floor leader of the main opposition Democratic Party, has criticised Yoon for not upholding his promise to take legal and political responsibility for his botched martial law attempt.
“[It was] a complete lie,” Park said, urging the CIO to attempt to arrest Yoon again today.
The CIO, which has only been operating for four years, was created in response to public anger over former president Park Geun-hye and her excesses. She was impeached by parliament in December 2016, and removed from office three months after.
The extent of the CIO’s jurisdiction, however, has been challenged by other agencies – and its failure to deal with Yoon could be seen as an embarrassingly loss.
South Korea has been in political chaos since Yoon’s martial law attempt on 3 Dec.
Days and nights of protest culminated in the opposition-dominated parliament voting to impeach him on 14 December, their second attempt to do so.
On Friday, prosecutors also indicted on insurrection charges army chief Park An-su, who was named martial law commander during the brief declaration, and special forces commander Kwak Jong-geun, according to Seoul-based news outlet Yonhap.
They are to face trial while in prison.
Additional reporting by Jake Kwon in Seoul
