Netanyahu tries to soothe a rift with Biden as he plans to send a government delegation to Washington after earlier cancelling the trip
Diplomats in Vienna, headquarters of the UN nuclear agency IAEA, said on Thursday that the latest data from inspectors suggested the threshold had not yet been breached, but it could be as soon as Saturday or Sunday.
Iran says that if it does exceed thresholds, the steps would be reversible and it still aims to keep the deal in place.
The crisis between Iran and the United States that began with Trump's withdrawal from the pact has escalated in recent weeks after Washington sharply tightened its sanctions from the start of May to halt all Iranian oil exports.
The Trump administration argues that the 2015 agreement reached under his predecessor Barack Obama was too weak because many terms are not permanent and it excludes non-nuclear issues such as missiles and Iran's regional behaviour. Washington says the aim of sanctions is to force Tehran to renegotiate.
The confrontation took on a military dimension in recent weeks, with Washington blaming Tehran for attacks on ships in the Gulf, which Iran denies. Iran shot down a US drone last week, saying it had entered its air space. Washington said the drone was in international skies, and Trump ordered, then aborted, retaliatory air strikes on Iranian targets.
"We will repeat to the Iranians that nuclear issues are not negotiable. We want them to stay in the accord, but we won't accept them messing us around," a senior European diplomat said before Friday's meeting.
The cornerstone of European efforts to placate the Iranians is the creation of INSTEX, a mechanism to use barter to allow some trade that would avoid entanglement in US sanctions.
Netanyahu tries to soothe a rift with Biden as he plans to send a government delegation to Washington after earlier cancelling the trip
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