Masked youths clash with riot policemen during riots in Athens
Masked youths clash with riot policemen during riots in Athens October 19, 2011. Greek unions begin a 48-hour general strike on Wednesday, the biggest protest in years, as parliament prepares to vote on sweeping new austerity measures designed to stave off a default that could trigger a crisis in the wider euro zone. REUTERS/John Kolesidis (GREECE - Tags: CIVIL UNREST POLITICS BUSINESS EMPLOYMENT)