UK and Iran agree framework Iran nuclear deal possible by month-end
"Both leaders reaffirmed their commitment to securing a deal," the spokeswoman told reporters. "There was a clear sign from both of them that they saw the opportunity presented by the ongoing discussions in Switzerland and the possibility of securing a political framework by the end of the month."
Iran and six world powers are due to meet in Lausanne on Saturday to try to break a deadlock over Iran's sensitive atomic research by a March 31 deadline.
(Reporting by Kylie MacLellan; Editing by Andrew Osborn)