President Yoon Suk Yeol congratulated new British Prime Minister Keir Starmer on taking office during their talks on the sidelines of the North Atlantic Treaty Organization (NATO) in Washington on Thursday.Yoon had his first meeting with Starmer, who became the new British PM after his Labour Party last week won a landslide victory in the general election ending 14 years of Conservative Party rule.Source: Yonhap News Agency