looking up at the referee. He had to be helped to his feet because as was later diagnosed he had torn a ligament in his leg. Williams vs. Vitali Klitschko In December he finally challenged for a world heavyweight title, but Vitali Klitschko proved too much, as Williams was stopped in the 8th round. Return to domestic level In December Williams regained his old Commonwealth belt by beating undefeated Olympic gold medallist Audley Harrison by split decision. Williams retained the Commonwealth title with a controversial points win over undefeated Matt Skelton in March 2006. After beating Adnan Serin by a third round retirement, Williams lost His Commonwealth title by unanimous decision in a rematch with Skelton In December 2006 when Skelton dropped out of a fight with Audley Harrison, Williams stepped in at a weeks notice. By his own admission he had been training for eight weeks for a fight with British champion Scott Gammer. Williams lost by T.K.O. in the 3rd round, suffering a broken nose. In March 2007 Williams regained the British title in Wales with a 9th-round knockout of Scott Gammer. Williams came in at the lightest he had been since his pro debut 16 stones 4 pounds {4 stones lighter than his previous fight} after training himself for the fight just with a piece of paper that contained a conditioning programme given to him by Joe Dunbar who had worked with Lennox Lewis. After he had watched the tape of his fight with Gammer, Williams decided he would continue boxing and took a fight with 26–1 22 KOs Ukrainian prospect Oleg Platov. He came in again at 270 lbs. Both fighters were engaged in wild exchanges from the first bell on. The Ukrainian picked up a badly-bleeding cut above the left eye following an accidental headbutt in the second round and he continued to swing wild punches but not without taking some huge shots from Williams. After 2:15 in the fourth and with the cut getting worse, the referee waved the fight off. According to the rules of the IBF, it was declared a no contest. Sauerland managing director Chris Meyer defended the decision. "The rules are clear", he said. "We had an accidental headbutt and the referee, who consulted the doctor several times, ruled he could not continue to protect his health." Speaking exclusively to SecondsOut after the fight a disappointed Williams said: "He (Platov)