Vienna, June 28, IRNA � German Foreign Minister Frank-Walter Steinmeier joined nuclear negotiators in Vienna on Sunday noon at Hotel Coburg.

Before the German FM, French Foreign Minister Laurent Fabius and BritishForeign Secretary Philip Hammond arrived at Coburg.

European Union Foreign Policy Chief Federica Mogherini also arrived in Vienna on Sunday.

US Secretary of State John Kerry and Iranian Foreign Minister Mohammad Javad Zarif have begun their consultations and talks to settle remaining disputes on compiling text of comprehensive agreement since Saturday.

Zarif is to depart Vienna for Tehran on Sunday and will be back after one day.

Russian Foreign Minister Sergei Lavrov is due in Vienna on Tuesday.

Fabius will leave Vienna on Sunday too, but will be back on Tuesday.

China is represented in the negotiations by Deputy Foreign Minister Wang Yi.

By IRNA