Disturbing footage from Ukraine shows violence spiraling out of control during anti-government protests, with rioters attacking and capturing policemen standing . In this video Luke Rudkowski documents an intense clash that happened at a vote NO rally in Athens Greece. The clash was between anarchists and riot police . Gangs of dogs joined in with protests in Santiago, Chile making the most of the riot police's use of water canons. The protests largely went off peacefully until the .