Keywords | Caption | epa01687501 Protestors clash with French riot police during protests in Strasbourg, France, 04 April 2009. Groups of anti-NATO protesters engaged in pitched battles with police in Strasbourg as the leaders of the 28-member alliance met for a summit celebrating its 60th anniversary. Demonstrators hurled rocks and police responded with tear gas as the two groups squared off on a bridge near the city centre, local media reported. ANSA / EPA/BORIS ROESSLER |