But Obama also stressed that all options , including military strikes on Iran 's nuclear facilities , remained on the table as far as the United States was concerned . Official : Talks end for the night , will resume Saturday morning . Chinese , French , UK , US , Russian , Iran foreign ministers head to Geneva . Spokeswoman : UN Secretary General Ban Ki-moon and his wife arrive at the airport in Geneva. There had been a disagreement over Iran 's right to enrich uranium .
Official : Talks end for the night , will resume Saturday morning . Chinese , French , UK , US , Russian , Iran foreign ministers head to Geneva . Spokeswoman : UN Secretary General Ban Ki-moon and his wife arrive at the airport in Geneva. There had been a disagreement over Iran 's right to enrich uranium .