Iran's nuclear chief, Ali Akbar Salehi, attended a nuclear cooperation seminar with the EU and urged "the continuation, and preferably, expansion and deepening of constructive and fruitful engagement with the EU in the field of 'international nuclear cooperation'". However, he also noted that "if words are not turned into deeds" to support the JCPOA, "it is very ominous, the situation would be unpredictable".