Serbia's former President and presidential candidate for the upcoming elections Boris Tadic (C) and Serbia's Foreign Minister Vuk Jeremic (L) arrive at a pre-election rally in Belgrade May 2, 2012. Serbia will hold a presidential and a parliamentary election on May 6, with Tadic's Democratic Party bidding to extend its hold on power and to keep the ex-Yugoslav republic edging closer to the European Union. REUTERS/Marko Djurica (SERBIA - Tags: POLITICS ELECTIONS)