After a round of indirect talks with Trump's envoys in Oman, Iran's top diplomat says the country will keep negotiating, but stresses a lack of trust.

Zero is how much uranium President Trump says he would allow Iran to enrich — or refine into a potency suitable for nuclear bombs — under any deal to defuse the latest crisis between Washington and Tehran. That hard-line position is known as “zero enrichment.”

US strikes on Iran’s nuclear sites last year caused major damage, but Tehran insists its program remains intact and is already being rebuilt - Anadolu Ajansı

Satellite images reveal activity at two Iranian nuclear sites, suggesting that Tehran may be obscuring its efforts to salvage any materials remaining there.

Iran rejects US calls to halt uranium enrichment in Oman talks, though both sides agree to keep negotiating as Tehran signals openness to discussing enrichment levels.

Uranium enrichment might be the main dispute at the US-Iran talks set for Friday in Oman – but the key sticking point is Iran’s ballistic missiles programme, which the US wants to add to the table

Iran, US prepare to resume negotiations in Istanbul on Friday amid tensions between the two countries - Anadolu Ajansı

Americans were already told to leave Iran in January, amid national unrest with anti-regime protests, which have left thousands dead. But the Virtual Embassy Tehran issued another warning on February 5,