SAN SALVADOR ATENCO, Mexico (Reuters) - A protest by flower vendors erupted into a clash between machete-wielding peasants and riot police on Wednesday, leaving one person dead and several held hostage. Fifty police officers were injured, 11 seriously, state Gov. Enrique Pena Nieto said, and about 100 people were arrested. Angry demonstrators from the town of San Salvador Atenco, 15 miles north of Mexico City, cornered 11 policemen and were holding them hostage at nightfall, officials said. The demonstrators refused to release the policemen unless protesters who were arrested earlier in the riot were freed. Mobs of protesters burned tires...
