Day in Photos: May 18, 2012

The temple of Parthenon is silhouetted against a cloudy sunset atop the Acropolis hill in Athens. Fitch ratings agency downgraded debt-crippled Greece deeper into junk territory on Thursday, warning of a "probable" Greek exit from the euro currency union if new national elections next month produce an anti-bailout government. Fitch said it had cut Greece's rating by one notch, from B- to CCC, the lowest possible grade for a country that is not in default.