Clashes occur during Greek demonstration

Hundreds of rioters clashed with police during a large demonstration in central Athens on Thursday, as unions held a nationwide strike against the government's austerity measures.

The rioters attacked riot police with stones and petrol bombs, Riot police fired volleys of tear gas and stun grenades.

Rioters also set fire to garbage cans and a car, smashed bus stops, and chopped blocks off marble balustrades and building facades to use as projectiles.

A demonstrator stumbles and falls during clashes with riot police in Athens. (AFP/Aris Messinis)