The final match of the East Asia soccer championship in Seoul on Sunday night delivered both on-field drama and off-field controversy. Japan snatched a late winner against South Korea but the match was overshadowed by the display of a huge political slogan by Korean fans and a Japanese flag seen as a militaristic symbol.

The game at the Olympic stadium in southern Seoul was the first head-to-head between the two regional heavyweights since South Korea's win against Japan in the Olympic soccer semi-finals in the U.K. last year.

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