(This post was last updated at 8:44 a.m. ET.)
Just hours before a self-imposed deadline, Iran and six world powers said they would not extend a deadline but they would keep working toward a deal over Iran's nuclear program for the next few days.
Reporting from Vienna, where the talks are taking place, NPR's Peter Kenyon says both sides — Iran and the so-called P5+1, which consists of the U.K., China, France, Germany, Russia and the United States — are saying they will not be pressured into accepting a bad deal. Peter filed this report for our Newscast unit: