The Latest Breaking News from Rafael Grossi

An agreement on Iran’s nuclear deal appeared imminent, but a new Russian demand has cast doubt over the talks.

The purpose of an annex being built next to a suspected uranium enrichment plant at North Korea's Yongbyon nuclear site remains unclear, U.N. nuclear watchdog chief Rafael Grossi told a meeting of his agency's Board of Governors on Monday.

Russia's demand for written U.S. guarantees that sanctions on Moscow would not harm Russian cooperation with Iran is "not constructive" for talks between Tehran and global powers to revive a 2015 nuclear deal, a senior Iranian official said on Saturday.

The UN nuclear watchdog's chief arrived in Tehran late Friday amid hopes of reviving a 2015 accord between Iran and world powers, with Britain saying a deal is "close". The visit by International Atomic Energy Agency head Rafael Grossi, who is set to meet Iranian officials on Saturday, is seen…

Argentine-born Rafael Grossi has offered to fly to Ukraine, but only after finishing talks in Iran, writes Andrew Buncombe

Months of nuclear deal negotiations are expected to result in an agreement – or a breakdown – within days.

Europe's largest nuclear power plant was hit by Russian shelling early Friday, sparking a fire and raising fears of a disaster that could affect all of central Europe for decades, like the 1986 Chernobyl meltdown. Concerns faded after Ukrainian authorities announced that the fire had been extinguished, and while there…

No damage was done to the reactors at Ukraine's Zaporozhzhia nuclear power plant and there was no release of radioactive material after a projectile hit a nearby building on the site overnight, U.N. atomic chief Rafael Grossi said on Friday.

Russian shelling of Europe’s largest nuclear power plant that sparked a fire at one of its six reactors has raised fears of a disaster that could affect all of central Europe for decades, like the 1986 Chernobyl meltdown