AKIPRESS.COM -  President Yoon Suk Yeol has been booked as a suspect on charges of treason, the prosecution said Sunday, the Yonhap News Agency reports.

"Numerous complaints have been submitted, and an investigation is under way in accordance with the process," said Park Se-hyun, who leads a special investigation headquarters into Yoon's short-lived declaration of martial law last week.

Park said prosecutors are investigating the charges of treason and abuse of power against Yoon.