Greek debt crisis: Violence erupts at Athens protest
Rioters have clashed with protesters in Athens where thousands of people are rallying outside parliament to condemn new cuts.
Scores of masked youths attacked a group from a communist-backed trade union with stones and petrol bombs, and police fired tear gas.
A 48-hour general strike is under way in protest at austerity measures aimed at reducing Greece's crippling debt.
The Socialist-dominated parliament is expected to give final approval to a new austerity bill on Thursday.