http://www.brianmoylan.info/genoa/:
'Police and Paramilitary Brutalization of Protestors at Genoa G8 summit' by Brian Moylan

http://www.guardian.co.uk/world/2008/jul/17/italy.g8:
The bloody battle of Genoa
In the Italian city hosting the G8 summit in 2001, all but a handful came to demonstrate peacefully. Instead, many were beaten to a pulp by seemingly out-of-control riot police.
...
In one corridor, they ordered a group of young men and women to kneel, the easier to batter them around the head and shoulders. This was where Daniel Albrecht, a 21-year-old cello student from Berlin, had his head beaten so badly that he needed surgery to stop bleeding in his brain.