"Ugly, ignorant words were spoken by the USA president against the Iranian nation", he said.
As the outcome of two years of intensive multilateral negotiations applauded around the world and endorsed by the UN Security Council, the agreement "belongs to the global community in its entirely and not only to one or two countries", Rowhani said.
Iran, he said, was a "corrupt dictatorship" and an "economically depleted rogue state" that exported violence.
The Trump administration is wrapping up a months-long review of USA policy towards Iran and Trump has hinted at a series of events that he favors leaving the deal.More news: Protesters rally against Iranian president at United Nations
Tillerson, who met Iranian Foreign Minister Mohammad Javad Zarif here on sidelines of the UNGA meet, said, "We clearly have significant issues with the agreement".
"I'll let you know", Trump said. "We have opened our doors to engagement and cooperation", Iranian leader said.
Akbar Ganji, an Iranian political expert and author, believes that friendly ties between Iran and the U.S. would benefit both nations and help establish peace in the region and world. Making his debut appearance at the annual meeting, U.S. President Donald Trump accused Iran of exporting "violence, bloodshed and chaos" and of seeking to project its influence in Yemen, Syria and elsewhere in a region rife with sectarian conflicts between Sunni and Shiite Muslims.
"The world will have lost a great opportunity", he declared.
Rouhani again vowed that Iran would not be the first country to violate the pact that saw Iran limit parts of its nuclear development program in exchange for significant concessions on economic sanctions.More news: Korea near nuclear test site
Trump's comments in the General Assembly address left open the possibility he could pull the USA out of the agreement.
Rouhani, whose government still fends off criticism from Iranian hardliners opposed to the plan, cast it as a template for worldwide peace deals.
"It is an agreement that took over two years of negotiation over every single word and every single sentence", he said. "But Trump has blocked this path", Ganji told Trend.
The 2015 agreement, known as the Joint Comprehensive Plan of Action, was signed by Iran, the US, France, China, Russia, the UK, Germany and the European Union.
North Korean officials described Trump's speech as "the most outrageous declaration of war against our republic, " and said Trump's statements is "priming powder" that is setting "tens of millions civilians in ultra-response mode".More news: Mexico Rattled by 6.1 Aftershock
Under the agreement, what must Iran do?
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