Mourad Aliev, a French boxer, claimed that he protested against Frazer Clarke's defeat because of the "injustice” of his disqualification.In round two of the +91kg quarterfinal, Clarke defeated the Frenchman at 26 years old for excessive head use.Aliev spent 30 mins sitting on the ring apron, before he left the arena. He returned to the same spot only 30 minutes later.Aliev said, "I sat down in protest against the unfairness of me.""I trained for these Games for the past four years. "I wanted to fight injustice and that's why I decided to use this platform to express my disapproval."Aliev kicked the canvas, and angrily remonstrated upon learning of his disqualification. He said that Aliev's behavior was "natural" as he had "prepared my entire life for this event".Clarke had suffered head injuries that had left him with cuts above his eyes. A ringside doctor checked Clarke's cuts twice.Aliev claims he wasn't warned by the referee about his use his head. He added: "I was stopped without any warning, and they just said that I lost - just as that." It was a sabotage act, I believe.Aliev protested by sitting on the ring apronClarke is confident that his cuts won't pose a danger to his participation at the semi-finals.Clarke stated, "I'm not going stand here and claim he did it intentionally because I'm certain he wouldn't want his Olympics to end the way they have.""I told him that I have been in similar situations before and to relax. He shouldn't damage his reputation or insult the judges and officials. They are doing their job.After losing a bout at 1988 Olympics, South Korean bantamweight Byun Joon-il sat in the middle of the ring for 67 mins. This delayed the rest of competition by more than an hour.