NEW : The blast killed a bulldozer driver and Three other people at a rubble storage site . A bulldozer struck what authorities believe was a World War II-era bomb in a western German town Friday afternoon , causing a blast that killed the bulldozer driver , injured 13 other people and damaged homes , police said . Unexploded World War II -era bombs are still found in Munich decades after conflict . Bombs are common enough that disposal teams check for them before construction . at least 13 bomb disposal squad members died in decades when a device exploded in Moselle .
NEW : The blast killed a bulldozer driver and Three other people at a rubble storage site . Unexploded World War II -era bombs are still found in Munich decades after conflict . Bombs are common enough that disposal teams check for them before construction . at least 13 bomb disposal squad members died in decades when a device exploded in Moselle .