Contrary to other European ministers, Hammond did not have a press conference with reporters upon arrival at the hotel.
European Union Foreign Policy Chief Federica Mogherini, French Foreign Minister Laurent Fabius and German Foreign Minister Frank-Walter Steinmeier arrived Vienna on Sunday.
Vienna has hosted several rounds of the talks between Iran and the P5+1 – Russia, China, France, Britain, the US and Germany.
Marathon nuclear negotiations between Iran and the P5+1 countries are picking up steam as the sides are making efforts to iron out disagreements with just one day left before the July 7 deadline for a comprehensive deal.
