Riot police have clashed with protesters in Athens during an anti-austerity protest in Syntagma square.
Police are reported to have used teargas to disperse crowds who were said to be hurling stones and petrol bombs.
The disturbance comes as EU leaders meet in Brussels in a bid to tackle the eurozone crisis.
More top news
Spain and Portugal have seen an increase in bookings from British holidaymakers amid fears of terror attacks at other locations.
French labour strikes are threatening to bring the country to a standstill by blockading fuel supplies.
David Cameron has described the Institute of Fiscal Studies as a 'gold standard' group of experts, as it warned of 'Brexit' dangers.