Tehran. An agreement for Iran to curb its nuclear ambitions in exchange for the easing of sanctions has sparked a diplomatic row, with the the Israeli prime minister, Binyamin Netanyahu, calling the deal a "historic mistake”.The deal reached between Iran and six world powers in Geneva on Sunday is an interim agreement that many hope is a first step towards resolving a dangerous decade-old standoff.While it was welcomed in many world capitals, the Israeli prime minister, Binyamin Netanyahu, said: "What was concluded in Geneva last night is not a historic agreement, it is a historic mistake. Netanyahu said that the deal usurped a sanctions regime that took years to build, and left little incentive for Iran to dismantle its nuclear capibilities."Today the world has become a more dangerous place because the most dangerous regime in the world took a significant step towards obtaining the world’s most dangerous weapon.He warned that Israel still had all options on the table."Israel has many friends and allies, but when they’re mistaken, it is my duty to speak out... the regime in Iran is committed to destroying Israel. And Israel has the right and the obligation to defend itself by itself from any threat.” John Kerry, the US secretary of State, disagreed with Netanyahu’s appraisal, saying that Isreal had been made safer by the deal."I believe that from this day, for the next six months, Israel is in fact safer than it was yesterday because we now have a mechanism by which we are going to expand the amount of time in which they [Tehran] can break out [toward making a nuclear bomb]. We are going to have insights to their programme that we did not have before,” he added."I believe that Israel in fact will be safer, providing we make sure that these... sanctions do not get lifted in a way that reduces the pressure on Iran - and we do not believe they will be.