<p>Seoul: The head of South Korea's high-ranking official corruption investigation office has ordered a travel ban for President Yoon Suk Yeol who is under investigation for his declaration of martial law last week, <em>Yonhap</em> news agency reported on Monday. </p>
<p>Seoul: The head of South Korea's high-ranking official corruption investigation office has ordered a travel ban for President Yoon Suk Yeol who is under investigation for his declaration of martial law last week, <em>Yonhap</em> news agency reported on Monday. </p>