Clashes break out as general strike cripples Athens

A woman walks past riot police in Athens, Greece. Violence erupted after around 20,000 protestors marched to parliament during a 24-hour general strike over labour reforms Photograph: Milos Bicanski/Getty Images

A protestor throws a molotov cocktail during clashes with riot police outside the Greek finance ministry in Athens during a general strike called by labour unions Photograph: Orestis Panagiotou/EPA

Riot police face protesters demonstrating against austerity measures outside the Greek parliament Photograph: Petros Giannakouris/AP

A protester throws a rock at riot policemen during the march attended by thousands in central Athens Photograph: Yannis Behrakis/Reuters

Police stand among flames during the clashes with demonstrators Photograph: Pantelis Saitas/EPA

Protesters hurl objects at businesses in Athens Photograph: Milos Bicanski/Getty Images

Police arrest a protester in Athens Photograph: Milos Bicanski/Getty Images

Protestors pass by a buring waste collector close to the National Technical University of Athens Photograph: Vladimir Rys/Getty Images

A riot policeman passes by a smashed window Photograph: Simela Pantzartzi/EPA

Greek development minister Costis Hatzidakis led away by a bodyguard after he was attacked by protesters in Athens Photograph: AP

A riot policeman stands in front of the Bank of Greece during the protests against the government's austerity measures Photograph: Rex Features/KeystoneUSA-ZUMA / Rex Features

Police in full riot gear approach a protester. The polce also fired teargas at protesters who threw petrol bombs at two luxury hotels in the central Syntagma square outside parliament Photograph: Milos Bicanski/Getty Images

A protestor writes on a wall 'No to the Junta' Photograph: Simela Pantzartzi/EPA

Riot policemen stand guard in front of the parliament Photograph: Yannis Behrakis/Reuters

Around 20,000 people demonstrated against labour changes and austerity cuts outside the Greek parliament Photograph: Petros Giannakouris/AP