He added that the two sides meet tomorrow morning and continue their talks, because consultation meeting between representatives of the Group 5+1 was too long tonight.
To a question concerning possible presence of foreign ministers of G 5+1 member states in the talks, Araqchi said it is not evident yet.
When talks have considerable progress and get close to a final process, ministers may join the meeting, he said.
Whether presence of foreign ministers depends on meeting between Zarif and Ashton, he said that it depends on progress of talks and when it gets close to final process, the ministers will possibly come.
Concerning common document, Araqchi said we are working on the document.
Deputy Foreign Minister Araqchi said that consultations between representatives of Group 5+1 continues and some of the delegations are to consult with their respective capitals and considering time differences, it may last until morning, so there would be no meeting for tonight.
Araqchi said negotiation on differences continues, but acknowledged that there has been no progress yet.