"This agreement is everything other than ideal, but Iran is, according to all the knowledge of the worldwide nuclear authorities, sticking to the commitments of the agreement".
Mogherini says "there was awareness of the urgency" and the four ministers agreed to find some solutions within weeks.
Merkel told lawmakers that Germany's economy is on a good path and the government plans to increase its spending on defense and scientific research to ensure the country can meet the security challenges of the future and remain a leading industrial power.
On Tuesday, EU foreign policy chief Federica Mogherini said that after talks with the foreign ministers of the United Kingdom, France, Germany, and Iran in Brussels, the sides had agreed to work out practical solutions in response to the USA withdrawal from the Joint Comprehensive Plan of Action (JCPOA), known as the Iran nuclear deal, within the next few weeks.
Germany pushed back against Washington's rejection of historic Iran nuclear deal on Wednesday, saying the accord helped world leaders deal with concerns it has with the Islamic Republic. "It's not right to cancel this agreement in this situation now", she said.
Zarif said little to reporters Tuesday but suggested he wanted to discuss the deaths of dozens of Palestinians in Gaza as well as the nuclear deal, which U.S. President Donald Trump withdrew from last week.
"The civil war in Syria and the fight against Islamic terrorism have escalated into a regional conflict of an enormous scale, which can not be resolved without Russia, Turkey, Iran, Saudi Arabia, Jordan, and, I would say, Europe", Merkel said in the Bundestag.
Rohani was speaking a day after Washington announced fresh sanctions on the governor of the Central Bank of Iran, accusing him of providing support for terrorist activities.
The EU hopes to convince Iran to continue to respect the landmark nuclear pact.