“The agreement is not inevitable, because the Iranians continue to add third-party things to the negotiations on the JCPOA (Joint Comprehensive Plan of Action. -

RT

),” RIA Novosti quotes him.

According to the American diplomat, while new conditions continue to be dictated in Tehran, there is no possibility and no prospects for reaching an agreement.

“We are committed to ensuring that Iran never possesses a nuclear weapon or the ability to create one,” he stressed.

The head of European diplomacy, Josep Borrell, said earlier that talks on the Iranian nuclear deal had stalled.

The countries of the European trio, which includes France, Germany and the UK, noted that Iran's position on the nuclear program jeopardizes the restoration of the JCPOA.