Liz Robbins The New York Times

Federal investigators swept cargo planes at two United States airports on Friday morning, searching for suspicious packages, after a potentially explosive device that later turned out to be harmless was found Thursday night at an airport near Birmingham, England, originating in Yemen and bound for Chicago, officials said.Officials isolated UPS carg...

Federal investigators swept cargo planes at two United States airports on Friday morning, searching for suspicious packages, after a potentially explosive device that later turned out to be harmless was found Thursday night at an airport near Birmingham, England, originating in Yemen and bound for Chicago, officials said.Officials isolated UPS carg...