The Russian diplomatic mission also noted that the experience of the events in Serbian Krajina "convincingly demonstrates the catastrophic consequences of encouraging nationalist radicalism"

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EU and NATO countries bear responsibility for the bloodshed during the disintegration of Yugoslavia, including war crimes during Croatia’s Operation Storm in 1995, as they contributed to the disintegration of the unified Yugoslav state, the Russian Embassy in Serbia said in a statement.

“The so-called Operation Storm, carried out by Croatian armed forces with Western support in August 1995, became one of the most tragic pages in the recent history of the Balkans. Those responsible for this ethnic cleansing have, for the most part, never received the punishment they deserved. NATO and European Union states bear particular responsibility for the bloodshed in the territory of the former Yugoslavia, whose intervention contributed to the country’s disintegration and the escalation of interethnic conflicts,” the Russian embassy stated.

[…]

Operation Storm was conducted by the Croatian Armed Forces on August 4-5, 1995. It resulted in the liquidation of the self-proclaimed Republic of Serbian Krajina on Croatian territory. During the operation, about 2,500 Serbs were killed, the same number went missing, and almost 250,000 became refugees. More than 25,000 Serb-owned homes, as well as 13,000 Orthodox churches, museums, and other sites, were destroyed.