US Institute: Iran asphalts possible nuke site

A US institute tracking Iran's nuclear program says recent satellite images it has analyzed show further major alterations of a military site that the U.N. has long tried to access to follow up suspicions that Tehran may have used it in possible attempts to develop atomic arms.

The four photos from satellite company Digital Globe and GeoEye were seen by The Associated Press ahead of publication by the Institute for Science and International Security planned for Thursday. (AP)