Trump says Iran’s nuclear program was obliterated, but questions remain about Iran’s capability and the location of hundreds of pounds of highly-enriched uranium.

After initially favoring diplomacy, US President Donald Trump resorted to an extraordinary use of force against Iran on Saturday night, striking three of the regime’s key nuclear sites.

Ballistic experts say it's too soon to determine how much damage Iran's nuclear facilities sustained in the weekend attack. On Saturday night, the United States targeted nuclear sites in Iran believed to be essential to the country's ability to produce nuclear weapons: a uranium enrichment site located in northwestern Iran -- deep inside a mountain in Fordo -- along with another uranium enrichment site in Natanz and the Isfahan Nuclear Technology Center,

Trump fired back at Medvedev for saying that countries were now ready to supply Iran with nuclear weapons following US strikes.

Iran could be poised to withdraw from an international accord that seeks to prevent the spread of nuclear weapons. This follows tensions with the United Nations’ atomic watchdog, compounded by the attacks on the Islamic Republic’s nuclear program by Israel and the US.

UN nuclear watchdog chief Rafael Grossi has given an update on the status of Iran’s nuclear sites following US attacks.