Mediators say more talks to be held next week but no clear evidence two sides any closer on uranium enrichment

High-stakes talks between the US and Iran over the future of Tehran’s nuclear programme ended on Thursday with the Omani mediators claiming that “significant progress” had been made and predicting the talks would reconvene at a technical level next week in Vienna.

But there was no immediate evidence to support suggestions that the two sides had drawn closer together on the fundamental issues of Iran’s right to enrich uranium and the future of its highly enriched uranium stocks.

Second carrier strike group heads for region as US waits for Iran to respond after talks in Geneva

Donald Trump has said it will be clear within “probably 10 days” whether he can reach a nuclear deal with Iran, as the US military buildup in the Middle East intensifies with the impending arrival of a second carrier strike group.

The US president, speaking at the inaugural meeting of his Board of Peace in Washington DC, insisted Iran could not have a nuclear weapon and emphasised that “bad things will happen” if the country continued “to threaten regional stability”.

Tehran may claim it will not negotiate under duress, but that is precisely what it is being required to do

Although much attention will be given to the inaugural meeting of the Board of Peace in Washington, it is the “arsenal of war” that Donald Trump has assembled in the Middle East, and what it implies for the stately pace of Washington’s negotiations with Iran, that deserves more.

The well-connected Axios reporter Barak Ravid is hated in Iran – one news site on Thursday described him as a one-man psychological war operation against Tehran. But he is widely read, as was his report that the US viewed the talks in Geneva on Tuesday as a “nothing burger”, and that a full-scale attack on Iran was far closer than most Americans realised. The story led to a spike in oil prices and front-page pieces in US newspapers saying Trump’s military preparations would be complete by the weekend, with the president hinting a decision would be made “probably over the next 10 days”.