1.   But military sources say aerial photographs show three areas of disturbed earth that appear to have been dug by heavy machinery near Sahanici.

2.   When informed of the disturbed earth here, a spokesman at the U.S. military headquarters in Tuzla said no one was available to offer an explanation.

3.   Photographs of the area a day or two earlier showed the site without the disturbed earth, the official said.

4.   Aerial photographs taken by the U.S. government also show patches of freshly disturbed earth near Srebrenica, the report said.

5.   The aerial photographs taken by the U.S. government also showed patches of freshly disturbed earth on the soccer pitch, suggesting the presence of mass graves.