Iran says nuclear talks ‘difficult but useful’, US ‘encouraged’

Iran and the United States wrapped up nuclear talks in Oman on Sunday with no apparent breakthrough in a public standoff over enrichment, but with both sides confirming plans for future negotiations.

This was the fourth round of talks that began nearly a month ago, marking the highest-level contact between the two foes since Washington withdrew in 2018 from a landmark nuclear deal, during President Donald Trump’s first term.

Both sides had reported progress in the previous three rounds, and on…