Vienna: US Secretary of State John Kerry was set today to try and seal a historic deal with Iran that would curb its nuclear programme in exchange for relief from painful sanctions.
But just days ahead of Tuesday's deadline for Iran and six major powers to nail down the accord they hope will end a 13-year standoff, diplomats on both sides said Friday that major differences remain.
15:02 Administration will certify Iran nuclear deal compliance, vows additional sanctions27
21:01 Iran deal faces uncertain future under Trump44
02:49 Trump administration says Iran complying with nuclear deal but defying its spirit46
02:43 Trump Recertifies Iran Nuclear Deal, but Only Reluctantly29