Time is running out for Iran to avoid sanctions over its nuclear program, White House spokesman Robert Gibbs said on Thursday. Teheran's deadline is still the end of the year for responding to international demands, Reuters reported.
Iran has ignored a deal offered by the Western powers that would have Iran sending its low-enriched uranium abroad for processing into uranium for making fuel. Reuters quoted Gibbs as saying it was "pretty clear" that the Iranians were backing out of that agreement.
Washington and its allies suspect Iran of secretly using its nuclear energy program to develop nuclear weapons, but Teheran says it is enriching uranium only to generate electricity.