pViolent clashes between protesters and police were briefly interrupted in Greece on Tuesday when a man braved the raining rocks and teargas and ran stark naked through the streets of Athens to a cheering crowd.pbr pGreek police fired teargas and wielded batons at demonstrators throwing stones and petrol bombs in central Athens to protest a visit by German Chancellor Angela Merkel.pbr pThe naked protester streaked through the clash site as rocks hit the ground and police chased down rioters. Police could be seen stumbling as they chased and nabbed a protester, while another protester was seen receiving treatment for injury to his head.pbr pMerkel was meeting the Greek Prime Minister Antonis Samaras only a few hundred meters away from the clashes. Tens of thousands of austerity-weary Greeks took to the streets in one of the biggest protests in months.