Hundreds of refugees are believed to have drowned in the Mediterranean Sea trying to reach Europe, one year after a similar tragedy, Italy's president confirmed Monday.<br />Italian President Sergio Mattarella said "yet another tragedy in the Mediterranean in which, it seems, several hundred people have died."<br />His comments are the first official remarks on a recent incident that had previously been denied by Italian authorities.<br />Italy's foreign minister also confirmed the tragedy on Monday but said that details were still scarce.<br />"What is sure is that we are again with a tragedy in the Mediterranean, exactly one year after the tragedy we had ... in Libyan waters," Italian Foreign Minister Paolo Gentiloni was quoted as saying by Reuters.