S enior Israeli officials are acknowledging that some enriched uranium may have survived the powerful U.S. strikes on Iran's key nuclear sites last month.

Israel believes deeply buried stocks of enriched uranium at one Iranian nuclear facility hit by the U.S. military are potentially retrievable, a senior Israeli official said.And the agency that built the U.

The official suggested that the Iranians might still be able to gain access to Isfahan, but it would be hard to remove any of the material there. Israeli intelligence indicated that Iran's enriched uranium remained at Fordo,