Vienna, Nov 20, IRNA - Iran Foreign Minister's Deputies Majid Takht-e-Ravanchi and Abbas Araqchi held quadrilateral meeting with representatives of Germany, UK and France on Thursday.
The quadrilateral meeting was held prior to the arrival of US Secretary of State John Kerry to Vienna aimed at joining the talks.
Foreign Minister Mohammad Javad Zarif, the EU nuclear coordinator Catherine Ashton and US senior diplomat William Burns also held trilateral talks in Vienna on Thursday.
The nuclear talks between Iran and members of the G5+1 (US, Britain, Russia, France and China plus Germany) will end on November 24, the deadline to reach a comprehensive settlement.
Zarif told reporters upon his arrival in Vienna on November 13 that this is the "last phase "of the nuclear talks.