TEHRAN (AFP) - French President Emmanuel Macron s pinnacle diplomatic advisor met with Iran s president Wednesday finishing up an afternoon of talks in Tehran aimed at saving a landmark 2015 nuclear deal and easing tensions among Tehran and Washington.

but as Emmanuel Bonne pressed the high-degree talks, President Donald Trump took to Twitter to warn that US sanctions in opposition to Iran would soon be "accelerated notably", charging Tehran had "long been secretly  enriching " uranium.

The 2015 accord between Iran and world powers, the Joint comprehensive plan of action (JCPOA), promised sanctions comfort, monetary advantages and an quit to international isolation in go back for stringent curbs on the Islamic republic s nuclear programme.

.

but Tehran says it has misplaced staying power with perceived state of being inactive via european international locations more than a 12 months after Trump unilaterally pulled the usa out of the agreement and started out to impose punishing sanctions.

In his meeting with Bonne, Iran s President Hassan Rouhani stated Tehran had "completely kept the path of international relations and talks open", in step with a statement from his workplace.

He called on different parties to the deal to "absolutely put into effect their commitments" to preserve it alive.

Bonne additionally met Rear-Admiral Ali Shamkhani, the secretary of Iran s splendid countrywide protection Council, and overseas Minister Mohammad Javad Zarif and his deputy Abbas Araghchi.

His venture became "to try and open the dialogue area to avoid an uncontrolled escalation, or maybe an accident", in step with French foreign Minister Jean-Yves Le Drian.

before meeting with Bonne, Zarif said "negotiations are in no way possible beneath stress", in connection with US sanctions towards Iran.

Pointing to the united states withdrawal from the JCPOA, he added that the Europeans "should solve that problem."

Bonne arrived in Tehran after Iran introduced on Monday it had passed four.5 percent uranium enrichment -- above the 3.Sixty seven percent restrict beneath the accord, although still a ways beneath the ninety percent necessary for army purposes.

in advance this month, it became confirmed that Iran handed three hundred kilogrammes of enriched uranium reserves, some other restrict that changed into imposed with the aid of the deal.

At Washington s request, the UN s nuclear watchdog held a unique assembly Wednesday at its Vienna headquarters.

US delegate Jackie Wolcott informed the gathering that Iran turned into engaged in "nuclear extortion".

Her Iranian counterpart Kazem Gharib Abadi hit again, calling it a "sad irony" that the assembly became convened at Washington s request and claiming the modern standoff became a end result of the united states s "outlaw behaviour".

Russia s ambassador to the worldwide Atomic strength employer, Mikhail Ulyanov, later tweeted that america "become nearly remoted on this difficulty".

In a joint declaration, european events to the deal Germany, France and Britain stated their continued support for the accord "is predicated on Iran implementing its commitments".

but they delivered the "issues to hand must be addressed by way of members to the JCPOA".

in advance of the meeting, a supply at the French presidency stated "we're in a very vital phase. The Iranians are taking measures that are in violation (of the settlement) but (they) are very calibrated".

After Washington withdrew from the JCPOA in can also 2018, it reimposed stinging sanctions on Tehran, hitting the banking and oil sectors tough.

because the Iranian financial system went into loose fall, Iran demanded that the opposite parties -- specially the Europeans -- deliver promised monetary advantages and help it bypass the usa sanctions.

but, it became clean that this changed into no easy venture, and Iran -- whose economy relies upon heavily on oil exports -- modified tack and indicated it'd reshape its policy of "strategic persistence".

In may, a yr after Trump s withdrawal, Rouhani said Iran would roll back its commitments under the deal in levels every 60 days so one can force the other events to deliver on their aspect of the good deal.

As tensions rose, the usa dispatched a naval carrier, bombers and further troops to the place to counter perceived threats from Iran.

ultimate month, Trump stated he had called off a retaliatory navy strike in opposition to Iran on the ultimate minute after the Islamic republic shot down a US drone that it said had crossed into its airspace, a claim denied with the aid of Washington.

Trump re-upped the pressure Wednesday, claiming "Iran has lengthy been secretly  enriching " uranium in violation of the accord.

"consider, that deal was to run out in a quick variety of years. Sanctions will soon be increased, appreciably!"