Greek protesters are facing off with riot police as the government attempts to push through new austerity measures.
Tens of thousands of Greeks marched on parliament and workers launched a national strike.
Police fired tear gas at demonstrators outside parliament, as deputies began to debate a five-year belt-tightening plan.
To continue receiving bailout money from the European Union and IMF, the Socialist government is being told it must introduce yet more reforms.
These include tax rises, spending cuts and sell-offs of state property.