Greek workers begin two-day general strike - in pictures

Trade unionists march towards the Greek parliament. Unions are angry that the proposed austerity package would raise taxes on minimum wage earners Photograph: Angelos Tzortzinis/AFP/Getty Images

Tourists from Australia and New Zealand are stuck in the port of Piraeus as strikes hit travellers Photograph: Orestis Panagiotou/EPA

A protester carries a red flag on his way to the parliament building in Athens Photograph: Angelos Tzortzinis/AFP/Getty Images

A gallows set up by demonstrators in front of the Greek parliament Photograph: Filippo Monteforte/AFP/Getty Images

A demonstrator kicks a policeman who is in the process of arresting another protester Photograph: Yannis Behrakis/Reuters

Protesters run away from a large fire Photograph: Aris Messinis/AFP/Getty Images

Protesters wear gas masks amid clouds of teargas Photograph: Aris Messinis/AFP/Getty Images

Protesters chip away at buildings with hammers Photograph: AP

Riot police surround Syntagma square Photograph: Aris Messinis/AFP/Getty Images

Demonstrators confront police in front of the Greek parliament Photograph: Alkis Konstantinidis/AFP/Getty Images

A protester and a riot policeman take a cigarette break together Photograph: AP

A protester charges at police officer Photograph: Aris Messinis/AFP/Getty Images

A protester wearing a gas mask passes a fire-engulfed broadcast van in Syntagma Square Photograph: Yannis Behrakis/Reuters

Demonstrators clash with riot police in front of the Greek parliament Photograph: Orestis Panagiotou/EPA

Protesters collect stones Photograph: Angelos Tzortzinis/AFP/Getty Images

Riot police advance through the flames from a petrol bomb Photograph: Yiorgos Karahalis/Reuters

A kiosk owner wears a gas mask while selling cigarettes during clashes Photograph: Louisa Gouliamaki/AFP/Getty Images

Masked protesters hurl stones Photograph: Aris Messinis/AFP/Getty Images

A protester attempts to break a window displaying an image of an ancient Greek galley Photograph: Yiorgos Karahalis/Reuters

Riot policemen defend their position beside a burning van during violent protests against austerity measures in Athens' Syntagma (Constitution) square, June 28, 2011. Photograph: Yannis Behrakis/Reuters

A protester kicks a teargas cannister during a 48-hour general strike in Athens Photograph: Angelos Tzortzinis/AFP/Getty Images

A firebomb thrown by protesters explodes next to riot police in Athens Photograph: Petros Karadjias/AP

Demonstrators try to deal with tear gas Photograph: Dimitri Messinis/AP

A protester throws a panel on top of a burning barricade Photograph: Dimitri Messinis/AP

Protesters clash with riot police Photograph: Angelos Tzortzinis/AFP/Getty Images