Poland's third-largest city looks to have withstood flood wave

By Barbara Erling WROCLAW, Poland (Reuters) -Flood defences in Poland's third-largest city Wroclaw looked to have held firm on Thursday, after the worst floods in at least two decades ravaged central Europe this week. The flood wave that has inundated the Polish-Czech border region since the weekend reached Wroclaw overnight, but there were no signs of serious damage. "The urban system