BEIJING, Aug 14 (Reuters) - Swedish wrestler Ara Abrahamian threw down his Olympic bronze medal in protest on Thursday after his bid for greco-roman gold was ended by a decision denounced by the Swedish coach as "politics". Abrahamian took the bronze from around his neck during the medal ceremony, stepped from the podium and dropped it in the middle of the wrestling mat then walked off. "I don't care about this medal. I wanted gold," he said. A bitter Abrahamian, silver medallist at Athens 2004 who had high hopes of top honours in the 84kg competition in Beijing, announced he was quitting the sport. "This will be my last match. I wanted to take gold, so I consider this Olympics a failure," the 33-year-old said. The Swedish wrestler had to be restrained by team mates earlier when a row erupted with judges over the decision in a semi-final bout at the Chinese Agricultural University Gym with Andrea Minguzzi of Italy, who went on the take gold....