Exactly a decade after European powers helped forge the landmark 2015 nuclear deal, Britain, France and Germany met with Tehran in a last-ditch effort to salvage diplomatic engagement before threatened sanctions take effect.

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.

Iranian and European diplomats are set to meet in Istanbul to embark on the latest drive to unpick the deadlock over Tehran’s nuclear program.