U.S. reports progress in Iran talks; Tehran says no deal yet
U.S. officials say talks with Iran have shown progress, but Tehran warns a final agreement is not imminent.
U.S. officials have said negotiations with Iran are making progress and earlier suggested a deal could come as soon as Monday. However, a senior Iranian official cautioned that a final agreement to resolve tensions between the two countries is not imminent. Both sides appear to signal movement while stopping short of confirming a completed deal.