October 17, 2011
Italian police have begun viewing dozens of hours of video in an effort to identify the ringleaders of a vicious riot in Rome that left about 100 people injured, caused €2m (£1.75m) of damage and had peaceful anti-capitalist demonstrators seething at the hijacking of their protest by a violent minority.
The disturbances in the Italian capital on Saturday stood out against a background of otherwise non-violent rallies across Europe.
The biggest turnout was reported in Portugal, where more than 20,000 people marched in Lisbon and a similar number in Oporto.
In Rome, tens of thousands gathered for a march inspired by the Occupy Wall Street movement. But within minutes of setting off, hooded and masked demonstrators had broken away to cause mayhem.
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