More than 54,000 people in the southern German city of Augsburg will have to leave their homes today when authorities defuse a giant 1.8-ton aerial bomb from World War II. <br/><br/>Police said, schools will be opened for people who can't stay with relatives or friends and public transportation will be free. Police also said, it was impossible to say exactly how long it would take to make the bomb safe.<br/>'<br/>Finding bombs from the war is usual in Germany. Large parts of Augsburg were destroyed in February, 1944, when the city was attacked by hundreds of British and US bombers.