The discovery of a World War II bomb in Slovakia's capital during construction work prompted evacuations on Tuesday, officials said. The emergency measure covered several blocks in downtown Bratislava, including a major bridge across the Danube River. Public transportation and all traffic were halted during the morning rush hour. Experts were planning to defuse the 500-pound bomb, which was discovered on Monday evening, by midday. An oil refinery located in the area was a target of the Allied bombardment during the war. Several tons of bombs were dropped on the site of the former Apollo refinery in June and September...