Seoul Mayor Oh Se-hoon promised Wednesday to provide more opportunities for the younger generation as he began his fifth term at the helm of the city government.

Seoul Mayor Oh Se-hoon began a new term Wednesday as the first person in South Korea’s constitutional history to be elected Seoul mayor five times. Speaking at

Oh Se-hoon was inaugurated as Seoul mayor Wednesday, beginning a final four-year tenure many view as a launch pad and test ground for a presidentia...