Violent protests in Greece

A riot policeman is on fire from a petrol bomb thrown by protesters during a nationwide general strike in Athens, Sept. 26, 2012. Police clashed with protesters, hurling petrol bombs and bottles, in central Athens after an anti-government rally called as part of a general strike in Greece turned violent. About 50,000 people joined the union-organized march.

A protester prepares to throw a petrol bomb at riot police during a nationwide general strike in Athens, Sept. 26, 2012.

Members of an association of performing arts carry a coffin reading: ''Culture'' during a nationwide general strike in Athens, Sept. 26, 2012.

A fire bomb explodes among riot police during clashes in Athens, Sept. 26, 2012.

A riot police officer kicks a tear gas canister during clashes in Athens, Sept. 26, 2012.

A fire bomb explodes among riot police during clashes in Athens, Sept. 26, 2012.

Riot police react amidst firebombs thrown during clashes in Athens, Sept. 26, 2012.

Riot policemen stand next to a petrol bomb thrown by protesters during a nationwide general strike in Athens, Sept. 26, 2012.

A riot policeman reacts after he was hit by a petrol bomb thrown by protesters during a nationwide general strike in Athens, Sept. 26, 2012.

A banner with the word ''SOS'' announces Wednesday's general strike as pedestrians wait to cross the road in Athens, Sept. 25, 2012.

A fire bomb explodes among riot police during clashes in Athens, Sept. 26, 2012.

A protester holds a poster with photographs of Nazi leader Adolf Hitler and German Chancellor Angela Merkel during a nationwide general strike in Athens, Sept. 26, 2012.

A fire bomb explodes among riot police during clashes in Athens, Sept. 26, 2012.

A homeless woman lugs a roll of bedding past ships docked during a strike at Piraeus, the port of Athens, Sept. 26, 2012.

Protesters gesture during a march in front of the Greek Parliament in Athens, Sept. 26, 2012.

Protesters hold candles outside the Greek parliament during a demonstration by college and university professors against the new austerity measures, in Athens, Sept. 25, 2012.

A riot policeman assists a colleague after he was hit by a petrol bomb thrown by protester during clashes in Athens, Sept. 26, 2012.

Pedestrians walk among banners reading: ''General Strike,'' ''SOS,'' ''No,'' ''All together'' announcing Wednesday's general strike in Athens, Sept. 25, 2012.

A protester with the Greek flag is seen through the banner held by a woman during a nationwide general strike in Athens, Sept. 26, 2012.

Pedestrians walk behind a poster advertising the upcoming general strike which reads in Greek "no to the elimination of businesses, we are closed on Wednesday, 26 of September" in central Athens, on Sept. 24, 2012.

Protesters of the Greek Communist party affiliated unions march in front of the Greek Parliament in Athens, Sept. 26, 2012.

Riot police stand amidst petrol bombs thrown by protesters during a nationwide general strike in Athens, Sept. 26, 2012.

Pedestrian walk in front of graffiti in Athens, Sept. 26, 2012.

A riot policeman stands in front of Bank of Greece beside graffiti that reads: ''Bank of Merkel - Their riches our blood'' during a nationwide general strike in Athens, Sept. 26, 2012.

Protesters of the Greek Communist party affiliated unions march in front of the Greek Parliament in Athens, Sept. 26, 2012.

A fire bomb explodes among riot police during clashes in Athens, Sept. 26, 2012.

A protester kicks a tear gas canister towards riot police during a nationwide general strike in Athens, Sept. 26, 2012.

A Greek orthodox priest walks next a docked ship during a strike at Piraeus, the port of Athens, Sept. 26, 2012.

A fire bomb explodes among riot police during a nationwide general strike in Athens, Sept. 26, 2012.

Riot police officers try to arrest a masked demonstrator during clashes in Athens, Sept. 26, 2012.

Protesters of the Greek Communist party affiliated unions march in front of the Greek Parliament in Athens, Sept. 26, 2012.

Pedestrian holding ice creams walk in front of graffiti in Athens, Sept. 25, 2012.

A masked protester throws a stone towards riot police during clashes in Athens, Sept. 26, 2012.

A group of German tourist stand next to their bikes as banners call for a General strike in Athens, Sept. 25, 2012.

A protester throws a petrol bomb towards riot police during a nationwide general strike in Athens, Sept. 26, 2012.

A youth crouches in front of a shuttered store with graffiti scrawled: "Bread, Education Freedom: down with the Dictatorship" in central Athens, Sept. 23, 2012.