in to applause. crowds outside chanted his name. a day of national mourning has been declared, the first time that a former prime minister of italy has been honoured in this way. the one time cruise singer who led italy with no prior political experience became a billionaire tycoon, whose business empire spanned media to soccer. more than 80 years after it went missing on a top secret world war ii mission, the submarine hms triumph has been found off the coast of greece. at the time she was lost, the submarine was known to have 64 people onboard. as nicholas witchell reports, the wreck s discovery by a greek diver ends a nearly 25 year long search for the vessel that was one of the royal navy s most successful world war ii subs, sinking 15 enemy ships injust eight months. she set sail on boxing day 1941, supposedly on one last mission before heading for home. but hms triumph was never seen again.