For its lead, the Mail says a new biography of Prince Charles reveals that he tried to halt the American invasion of Afghanistan to "honour" Ramadan , the Muslim month of fasting. It says he made the plea to the US ambassador to London four weeks into the military operation in 2001. According to the paper, the startled envoy explained it would be rather difficult to halt a military invasion already in full swing and asked the Prince "Sir, are you really serious?"