International Atomic Energy Agency (IAEA) chief Rafael Grossi arrived in Kyiv on Tuesday and inspected an electricity distribution substation, warning that attacks on Ukraine's power grid could pose a risk of a nuclear accident by disrupting supply.

Only in the fall, after Ukrainian intelligence agencies warned of potential strikes targeting nuclear transmission facilities, was action taken to begin building protection, the officials said — far too late in the event of an attack.

Despite more than a year of warnings that critical Ukrainian nuclear energy infrastructure sites are vulnerable to potential Russian attacks, Ukraine’s Energy Ministry has failed to act swiftly to protect them,

International Atomic Energy Agency (IAEA) chief Rafael Grossi said late on Monday that he was on his way to visit Kyiv and inspect a key substation that is critical for the safety of Ukraine's nuclear power.

Grossi’s visit to Ukraine was announced a day earlier on X. Read also: Ukraine calls IAEA meeting after Russia attacks agency vehicle near ZNPP He said he was heading to a key Kyiv substation to assess damage and “help prevent a nuclear accident.