Greek police clash with protesters

Riot police guard a branch of the National Bank of Greece in Athens Photograph: Orestis Panagiotou/EPA Photograph: Orestis Panagiotou/guardian.co.uk Demonstrators clash with the police during a protest march to mark a 24-hour general strike in Athens Photograph: Milos Bicanski/Getty Images Photograph: Milos Bicanski/guardian.co.uk A policeman kicks a demonstrator lying on the ground in Athens Photograph: Louisa Gouliamaki/AFP/Getty Images Photograph: Louisa Gouliamaki/guardian.co.uk Police try to push back demonstrators during the massive protest march marking the general strike Photograph: Louisa Gouliamaki/AFP/Getty Images Photograph: Louisa Gouliamaki/guardian.co.uk A protester clashes with riot police during a demonstration in the centre of Athens Photograph: Aris Messinis/AFP/Getty Images Photograph: Aris Messinis/guardian.co.uk An old woman shouts slogans during a demonstration Photograph: Aris Messinis/AFP/Getty Images Photograph: Aris Messinis/guardian.co.uk A protester throws a punch at a police officer Photograph: Yiorgos Karahalis/Reuters Photograph: Yiorgos Karahalis/guardian.co.uk Police baton-charge protesters in Athens Photograph: Aris Messinis/AFP/Getty Images Photograph: Aris Messinis/guardian.co.uk Police spray teargas at protesters Photograph: Yiorgos Karahalis/Reuters Protesters surround police in Athens Photograph: Aris Messinis/AFP/Getty Images Protesters clash with riot policin Athens Photograph: Aris Messinis/AFP/Getty Images Police officers clash with protesters carrying a banner Photograph: Orestis Panagiotou/EPA Photograph: Orestis Panagiotou/guardian.co.uk Protesters march in the centre of Athens Photograph: Aris Messinis/AFP/Getty Images Activists brick-up the entrance to the Eurobank branch in central Athens Photograph: Louisa Gouliamaki/AFP/Getty Images Police arrest a demonstrator in Athens Photograph: Milos Bicanski/Getty Images