On Feb 22, Takeshima Day ceremony was held in Shimane Prefecture, where Japanese government regards that Takeshima belongs to. As an reaction against the ceremony, an outraged South Korean man threw his crap into Japanese Embassy in South Korea. (News article: '다케시마의 날'에 분노한 40대 日대사관에 오물투척)
I'd say only one word... Don't do such thing again!