The U.S. wants Iran to end all uranium enrichment. The European nations have yet to make clear their position. The JCPOA limited Iran to enriching uranium up to 3.67% purity -- sufficient for civilian nuclear power purposes but below the 90% purity needed for use in a weapon.

Three European powers met with an Iranian minister to try to reopen negotiations over the limits of its nuclear activities.

Iran and European powers agree they need to hold another round of nuclear talks soon following discussions in Istanbul on Friday, said Iranian Deputy Foreign Minister Majid Takht-Ravanchi.

The talks will be the first since a ceasefire was reached after a 12-day war waged by Israel against Iran in June.

Iran says it is ready to engage in talks with the United States, but only if Washington takes meaningful steps to rebuild trust.

Newsweek has reached out to the U.S. State Department for comment. If talks fail to get back on track, there is a higher risk of further military action against Iran's nuclear program from the United States as well as Israel.

Diplomatic meeting in Istanbul between Tehran and E3 countries is first since Israel and US attacked Iran in mid-June.

Iranian and European officials will hold nuclear talks in Istanbul on Friday as tensions simmer over Tehran’s nuclear program after it was targeted by a US military strike last month.

Germany, France and the United Kingdom are coordinating plans to hold nuclear talks with Iran in the coming week, a German diplomatic source told Newsweek.

A second round of nuclear talks between the United States and Iran concluded on Saturday, with both sides indicating progress. Delegations from both countries met in Rome for negotiations following an initial round in Oman last weekend. The Gulf Arab nation has mediated both rounds of the indirect talks, including an upcoming third high-level round expected in Oman on Saturday. The Trump ...

Iranian diplomats said they held "frank and detailed" nuclear talks on Friday with counterparts from Germany, Britain and France, who have threatened to trigger sanctions if Tehran fails to agree a deal on uranium enrichment and cooperation with UN inspectors.