Iranian President Hassan Rouhani (Photo: AFP/VNA)
The US withdrew in May from the nuclear agreement and re-imposed sanctions that had been lifted.
Iran has asked European countries to consider economic measures to offset the renewed US sanctions.
European signatories to the deal are trying to save the agreement as the best hope of preventing Iran from developing nuclear bombs. But they warn that if Iran doesn’t adhere to the agreement, they will do like the US.