US Secretary of State John Kerry says negotiators in high-level talks with Iran over the country's nuclear program "are not talking about an extension" as a deadline approaches.
He spoke Thursday in Paris just ahead of a flight to Vienna.
Kerry said differences among the countries negotiating a pact by Nov. 24 to prevent Iran from reaching the capability to produce atomic weapons are minor.
"We're confident about our unity," he said at the close of a meeting with his French counterpart, Laurent Fabius.