Geneva, Switzerland (CNN) - A historic deal was struck early Sunday between Iran and six world powers over Tehran's nuclear program that slows the country's nuclear development program in exchange for lifting some sanctions while a more formal agreement is worked out.
The agreement - described as an "initial, six-month" deal - includes "substantial limitations that will help prevent Iran from creating a nuclear weapon," U.S. President Barack Obama said in a nationally televised address.
The deal, which capped days of marathon talks, addresses Iran's ability to enrich uranium, what to do about its existing enriched uranium stockpiles, the number and potential of its centrifuges and Tehran's "ability to produce weapons-grade plutonium using the Arak reactor," according to a statement released by the White House.FULL STORY
By Jim Sciutto and Ben Brumfield, CNN
There were key meetings on Iran's nuclear program Saturday, but the clock is ticking for a deal to be reached during this round of negotiations.
Both sides have hinted that a deal in close, and foreign ministers from all the participating countries hastily flocked to Geneva, but as the hours passed, some ministers announced their intention to leave.