Talks between Iran and world powers aimed at finalising a deal over Tehran's nuclear programme could go beyond a June 30 deadline, a senior Iranian negotiator said.
"We are not at the point where we can say that negotiations will be completed quickly -- they will continue until the deadline and could continue beyond that," Abbas Araghchi was quoted as saying by the official IRNA news agency.
Araghchi was attending a fresh round of talks between Iranian representatives and officials from the P5+1 group of nations, which got under way in Vienna on Tuesday.
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