The Iranian government on Tuesday confirmed it has been holding talks with the United States on a prisoner swap deal. "Negotiations are underway on the exchange of prisoners between Iran and America, and we will issue more information if Iranian prisoners are released and the country's interests are secured and the talks reach a conclusion," Iran's government spokesman Ali Rabiei said.

Negotiations underway on exchange of prisoners with US, confirms Iran

As Iran continues to battle with the US over the 2015 nuclear deal, US Secretary of State Antony Blinken told the House Foreign Affairs Committee that it is "unclear whether Iran is willing and prepared to do what it needs to do to come back into compliance.

'Unclear' about Iran's nuclear compliance, Blinken to lawmakers

As Iran and the US tussle over the revival of the 2015 nuclear deal, the Biden administration said that its "patience is not unlimited". Watch: Tehran has not formally responded to the US offer last week for talks with Iran in a joint meeting with the countries that negotiated the deal.

Our patience is not unlimited, US on nuclear deal with Iran

Iran's supreme leader Ayatollah Ali Khamenei has said that Iran might enrich uranium up to 60 per cent purity if the country needed it adding that the country will never yield to US pressure over its nuclear programme.

Iran threatens to boost uranium enrichment to 60%