The police in the South Korean capital Seoul have been held after an happening with a Chineese man accused of throwing petrol bombs at the Japanese embassy in Seoul on Sunday. The Chineese man claimed that his grandmother was forced into sex slavery during wartime. The man also claimed later for the Seoul police that he is responsible for an aron attack last month on JapanĀ“s controversial Yasukuni shrine in Tokyo, said the police in Seoul.