Iran has not accepted the US conditions regarding the Strait of Hormuz and nuclear energy, a source close to the negotiating team told the Fars news agency.
"The Americans demanded during the negotiations all that they could not achieve by war," the agency's interlocutor said.
The American side was looking for an excuse to leave the negotiating table, the source said.
Tasnim also linked the lack of agreement on the results of negotiations with Washington's "excessive demands".
Negotiations between Iran and By the United States in Pakistan lasted about 21 hours.

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