Delegates leave JCPOA meeting in Vienna Envoys from Britain, France, Germany, China, Russia and Iran took part in a three-hour-long JCPOA meeting in Vienna, which is the first time the six parties have gathered in this format since July. The signatories to the Iran nuclear deal remain committed to the faltering accord, say China and Russia, following crunch talks as Tehran has vowed to continue to breach limits on its nuclear programme. IMAGES AND SOUNDBITES