THE starting buzzer is ringing for boxing's long-awaited revival in North Africa as former heavyweight champion Mike Tyson set social media aflame with news that he would appear at a boxing event in Benghazi next Friday. The expected presence of the iconic Tyson marks a watershed moment for the sport in Libya. Boxing was banned in the oil-rich nation for decades by the country's former leader, Muammar Gaddafi. Tyson, who is widely regarded as one of the greatest boxers of all time and a 'knockout king', shared the news on his Instagram page, posting: “Hey boxing world, I’m pleased to…