TOKYO The Japan Boxing Commission (JBC) has warned the Kameda Gym about gangster ties following a meeting with police officials on the attendees at a match in August, reports Yukan Fuji. As a part of a World Boxing Council doubleheader on August 31, Japans Koki Kameda beat Mexicos David De La Mora with a unanimous decision to retain his bantamweight crown at the Budokan in Tokyo. Kameda, who is one of the three Kameda Brothers at Kameda Gym, located in the capitals Katsushika Ward, knocked De La Mora down in the third round a key event in the matchs outcome. More interesting to the organized crime division of the Tokyo Metropolitan Police, however, was that seated ringside were members of an organized crime group. Nationwide anti-gang legislation that started on October 1 prohibits ordinary citizens from doing business transactions with gangsters. In August, television personality Shinsuke Shimada resigned from show business after it was revealed that he had a relationship with an upper member of the Yamaguchi-gumi. The following month, the Japan Racing Association revoked the license of horse trainer Michifumi Kono over ties to a member of an organized crime group. JBC executive secretary Ken Morita was made aware of the TMDs findings two days after Kamedas match. Kameda Gym told the secretary that it had no knowledge of the matter and emphasized that tickets are not being intentionally supplied to gangsters.