EU Deputy Secretary General Helga Schmid, Vice President of the European Commission Catherine Margaret Ashton, Iranian Foreign Minister Javad Mohammad Zarif, and Iranian ambassador to Austria Hassan Tajik attend the socalled EU 5+1 Talks with Iran at the UN headquarters in Vienna, on 8 April 2014. Picture: AFP.

Iran nuclear talks to resume in September

All sides agreed to continue talking for four more months to try reach a final agreement.