Fugitives part of German cell U.S. seeks three who Ashcroft says had 'extensive' ties to suicide hijackers behind Sept. 11 horror.
U.S. forces fired upon over Pakistan Pentagon uncertain about who shot at soldiers trying to retrieve helicopter wreckage in Pakistan.

Anthrax not sprayed in Mississippi Crop duster apparently dumped fertilizer on Coast Guard post by accident, investigators say.
Potential anthrax therapy in works Researchers have identified receptor that allows anthrax toxins to enter cell.
Resistance to Cipro growing Overuse of drug threatens to make more Americans vulnerable to common diseases.