Some 10,000 demonstrators gathered outside the Parliament to protest against the adoption of a package of laws on a new set of bailout measures, restricting, in particular, the workers' right to strike.
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According to media reports, the clashes were staged by about 300 anarchists who were not involved in officially declared protests, but started to throw Molotov cocktails and stones at a police cordon in front of the parliament building.
The Greek economy has been suffering since 2007-2008 financial crisis. Greece relies on bailout loans to stay afloat and keep public services running.