This was announced by SBU Chief of Staff Oleksandr Tkachuk, Censor.NET reports citing 112.
The coordinator of the event, who arrived in Odesa from Kharkiv, was subsequently detained. Tkachuk said the provocations were scheduled for April 13.
"The event was organized and financed from the territory of the Russian Federation. The provocation was based on the non-existing problem of alleged oppression of the Bulgarian ethnic minority in Ukraine.
"Russia is aimed at creating an image of constant and focused oppression of ethnic minorities in Ukraine, which is not happening," Tkachuk said.
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