A molotov cocktail explodes beside riot police officers near Syntagma square during a 24-hour labour strike in Athens September 26, 2012. Flights and trains were suspended, shops pulled down their shutters and hospitals worked on emergency staff on Wednesday in Greece's first big anti-austerity strike since a coalition government took power in June. REUTERS/Yannis Behrakis (GREECE - Tags: BUSINESS CIVIL UNREST POLITICS TPX IMAGES OF THE DAY)