TEHERAN (AFP) - Iran's team of experts on Thursday halted nuclear talks with world powers in Vienna on implementing a landmark deal agreed last month, to return to Teheran for consultations, an Iranian negotiator said.

"The Iranian negotiators interrupted the talks with the P5+1 for consultations with Teheran," the negotiator told the official IRNA news agency, referring to the group made up of Britain, China, France, Russia and the United States, plus Germany.