US President Donald Trump claims progress in talks with Iran to end the war, but Iran has denied the claims, raising fears of a wider conflict in the Gulf.

Trump's claim of "very good" talks with Iran contrasts sharply with Tehran's denial, as escalating tensions and backchannel diplomacy raise fears of a wider war in the Gulf. <p>Trump's claim of "very good" talks with Iran contrasts sharply with Tehran's denial, as escalating tensions and backchannel diplomacy raise fears of a wider war in the Gulf.</p><img src="https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5757983" />