Tehran has progressively abandoned its commitments to a 2015 nuclear deal, from which then US president Donald Trump pulled Washington out in 2018.
Islamabad calls for "thorough investigation" after Indian police arrested two men in western Maharashtra state for illegally possessing seven kilogrammes of highly radioactive substance.
The talks are aimed at determining which sanctions the United States should lift and the measures Iran has to take in order to rein in Tehran's nuclear programme.
Since January, Iran has begun enriching uranium at up to 20 percent purity, a technical step away from weapons-grade levels.
Secretary of State Antony Blinken told European allies that the US is prepared to talk to Iran about both countries returning to compliance with a 2015 deal that aims to stop Tehran from developing a nuclear weapon.
Debate over a controversial project aimed at extracting uranium and rare earth minerals has sparked political uncertainty in Greenland’s parliament.
In spite of its nuclear ambitions, Indonesia does not yet have the capacity to manage its nuclear waste disposal, which could prove disastrous for the Southeast Asian region.
Iran earlier breached the 2015 nuclear pact’s limit on the purity to which it can enrich uranium to go up to 4.5 percent but enrichment at 20 percent at its Fordow facility is just one technical jump away from weapons-grade levels of 90 percent.
The move is the latest of several recent announcements by Iran to the International Atomic Energy Agency that it plans to further breach the deal, which it started violating in 2019 in retaliation for Washington's withdrawal from the agreement.
United Nations atomic watchdog says Tehran feeds advanced underground centrifuges with uranium gas, breaching 2015 nuclear deal.
UN nuclear watchdog says Tehran is enriching uranium at its underground Fordo facility, a move prohibited by 2015 nuclear deal, adding "uranium particles" were detected at a separate site.
Iran cancelled a UN inspector's accreditation after she triggered an alarm at a uranium enrichment plant.
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