A high -ranking Iranian official told Reuters on Thursday that the fourth round of the talks that were to be held in Rome on Saturday between the United States and Iran was postponed, and that setting a new date "depends on the American approach."

The official told Reuters that the presence of US sanctions on Iran during nuclear talks does not help the parties resolve the nuclear conflict with diplomacy ...

The Sultanate of Oman, which mediated in the previous sessions of the American -Iranian talks, said on Thursday that the next round of nuclear talks that were scheduled to be held on May 3 would be postponed for “logistical reasons.”

But an informed source told Reuters that the United States has never confirmed its participation in the fourth round of the talks in Rome.

The source said that he has not yet confirmed the timing and location of the next round of the talks, but it is expected to confirm this in the near future.

Iran had previously accused the United States of following a "contradictory behavior" and issuing "provocative statements" after Washington warned Tehran of the consequences of its support for the Houthis in Yemen and imposed new oil sanctions related to nuclear talks.

Official media quoted an Iranian Foreign Ministry spokesman as saying that Tehran would continue to engage in "seriousness and firmness" in negotiations with the United States aimed at achieving results.

US President Donald Trump, who threatened to attack Iran if diplomacy fails to confidence in reaching a new agreement with the Islamic Republic, may block the Tehran road towards making a nuclear bomb.

Trump has re -implemented the “Far Pressure” campaign on Tehran since February. Trump withdrew from the 2015 nuclear agreement between Iran and six global forces in 2018 during his first term and re -imposed sanctions against Iran.

Iran has exceeded the restrictions imposed by the 2015 agreement on uranium enrichment since the United States has left the agreement, and European countries are sharing Washington concerned about the possibility that Tehran will seek to have an atomic bomb. Iran says its program is peaceful.

Iranian Foreign Minister Abbas Araqji said on Wednesday that Iran and three European powers, Britain, France and Germany, are scheduled to meet on Friday to improve tense relations as a result of the disputed Tehran nuclear program at this time of high -betting talks between Tehran and Washington.

The senior Iranian official who spoke to Reuters said on Thursday that he was "not sure" after the Friday meeting will be held or not.

Washington imposed on Wednesday sanctions on entities accused of being involved in illegal trade in Iranian oil and petrochemicals.

US Defense Secretary Beit Higsith Iran warned that it will face consequences for its support for the Houthis who control northern Yemen and launched attacks on ships in the Red Sea that the group says that it wants to solidify with the Palestinians.

Washington has intensified its Houthi bombing since mid -March and hit more than 1000 goals. Tehran says that the Houthis are acting independently.