The framework nuclear deal reached between Iran and the P5+1 world leaders will be remembered as a "historic mistake", said Israeli government officials on 2 April.
"If an agreement is reached on the basis of this framework, it is a historic mistake which will make the world far more dangerous," said the officials on condition of anonymity, reported France24 News.
World leaders hail framework nuclear deal
Russia welcomed the framework deal on 2 April, hailing the announcement as a recognition of Tehran's "unconditional right" to pursue a civilian nuclear programme.
"This deal contains the principal put forward by Russian President Vladimir Putin, which is Iran's unconditional right to a peaceful nuclear programme," Russian foreign ministry said in a statement.
German Chancellor Angela Merkel also welcomed the deal saying the world leaders have never, "been so close to an agreement preventing Iran from having nuclear weapons."
Paris warns on return of Iranian sanctions
France on 2 April warned economic sanctions "can be re-imposed" if a deal over Tehran's nuclear programme is not applied.
The office of President Francois Hollande said in a statement: "Sanctions that are lifted can be re-imposed if the deal is not applied."
Paris will keep a close watch to ensure a "credible" and "verifiable" final agreement is reached between world leaders and Iran, such that Tehran can be prevented from developing a nuclear weapon, said the statement.
Iran to participate in nuclear fuel market
Meanwhile, Iranian Foreign Minister Mohammad Javad Zarif told a press conference: "We will be doing something actually very innovative and that is Iran will be now a participant in the international fuel market.
"We will be selling enriched uranium in exchange for natural uranium and we will be hopefully making some money."