Nuclear envoys from Japan, South Korea and the US hold talks a day after Pyongyang tested a long-range missile.
Iran says it is "not fleeing the negotiations table", but no date has been set for a resumption of dialogue since ultraconservative Ebrahim Raisi won Iran's presidential election in June.
Blinken and Raab, top diplomats of US and UK, discuss an array of subjects, such as sanctions on Russian citizens, climate crisis and Biden's decision to withdraw US troops from Afghanistan, in London ahead of G-7 conference.
European Union foreign policy chief Josep Borrell says both the US and Iran are really interested in reaching an agreement as they have been moving from general to more focused issues in the talks recently.
The talks are aimed at determining which sanctions the United States should lift and the measures Iran has to take in order to rein in Tehran's nuclear programme.
Russian diplomat participating in talks to save 2015 JCPOA accord says meeting in Vienna has been "successful," though salvage efforts will take time.
Supreme leader Ayatollah Ali Khamenei said Iran's uranium enrichment level would not be limited to 20 percent; it will be increased to whatever level the country needs.
Turkey's President Recep Tayyip Erdogan told his Iranian counterpart Hassan Rouhani over the phone that he wished the new US administration would abandon unilateral sanctions on Iran.
US Secretary of State Mike Pompeo said the international community must remain united in urging North Korea to return to nuclear talks and in continuing to apply pressure on its nuclear and missile programs.
The launches came after North Korea said a day earlier that it was willing to restart nuclear talks with the United States in late September.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2021 TRT World.