The extra checks on Japanese food exports to Switzerland and Liechtenstein were imposed after the Fukushima nuclear disaster 12 years ago.
Ms Colonna arrived Kyiv for her second visit since the start of the Russia-Ukraine conflict in February.
The Zaporizhzhya power plant, located in the Ukrainian city of Enerhodar, was shelled several times and partially damaged last weekend.
Iran has switched off two United Nations’ nuclear watchdog surveillance cameras stationed at one of its atomic sites.
Iran has been boosting its nuclear activities far beyond the terms of the 2015 nuclear agreement ahead of Mr. Biden’s administration.
