Mogherini said Friday that "our determination is to keep this agreement in place". Maas added that the United States had provided no alternative to the agreement and that USA withdrawal had weakened the position of reformists within Iran. Thus the U.S. decision perpetuates the influence and prejudices of the "generotocracy" at the top in Iran that sets the country's agenda beyond its borders, he said.
European governments tried for months to persuade Trump to stick with the deal but failed, and now fear it will raise the risk of conflict in the region.
Merkel told Iran's President Hassan Rouhani in a telephone call later on Thurdsay that she supported maintaining the nuclear accord as long as Tehran upholds its side of the deal. Putin and Merkel also discussed issues related to the Chancellor's planned working visit to Sochi on May 18.
"Reports about last night's Iranian attacks against Israeli army posts from inside Syria to which Israel responded by striking against Iranian targets in Syria are extremely worrying", the Spokesperson for the EU External Action Service said in a statement.
The United Nations, Russia, France, Germany and Britain have also urged Israel and Iran to avoid any further escalation in Syria.
He rejected an idea of compensating German companies who lose Iranian business due to new sanctions, and companies themselves must make "whichever decision is right in their individual cases" in continuing business with Iran.More news: Why 'Brooklyn Nine-Nine' fans are taking its cancellation so hard
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Iran said it had asked Europe's Airbus (AIR.PA) to announce whether it would go ahead with a plane deal with Tehran following the USA pullout.
"There are areas beyond the (nuclear) accord that we must talk about", she said. Merkel noted in a speech Friday in the western German city of Muenster that it took 12 years of work to put together. She acknowledged that the threat of secondary sanctions on companies doing business with both the U.S. and Iran would have an effect.
"I believe it is wrong to unilaterally tear up the agreement, which was agreed on and which was unanimously approved by the UN Security Council", Merkel reportedly told attendees at a Catholic convention. "That diminishes confidence in the worldwide order".
"Don't wait, act now", he said in an impassioned plea to Merkel, who was in attendance at the award ceremony in Aachen where the French president received the prestigious Charlemagne prize for his efforts in boosting European Union integration and cohesion.
Le Maire said Paris would seek to strengthen Europe's ability to block sanctions and provide investment finance to companies.
Erdogan described Trump's decision as "wrong" and added that the US will be the "main loser" by such a decision.