South Korea's Supreme Court overturned on Thursday an earlier ruling that Lee Jae-myung, the frontrunner in the presidential race, was not guilty of violating the election law, throwing into doubt his eligibility to run for the presidency.

Prosecutors and investigators were sent to Yoon's residence in Seocho-dong in the morning to secure possible evidence related to the suspicions involving shaman Jeon Seong-bae, also known as Geon Jin.