Minister of Foreign Affairs of Ukraine Pavlo Klimkin wrote on Twitter, Censor.NET reports.
"On our way to the Donbas with Luxembourg's colleague Asselborn. I'm briefing Jean on the situation in the region," Klimkin wrote.
"The foreign ministers of Ukraine and Luxembourg en route to Mariupol. An important visit to feel the scale of Russian aggression and its effects," the Foreign Ministry press service said.
Related materials: Russian aggression against Ukraine