Schools and kindergartens were cancelled on Wednesday in parts of Russia’s Tver region, local administration said in a statement that followed reports of a Ukrainian drone attack on the region.

“Dear residents! Kindergartens and schools are suspended for today!!!” the administration of the Zapadnodvinsky district in Tver said on the social Vkontatke network.

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It did not say why the schools were suspended.

The district borders the Toropetsky district, where officials said a Ukrainian drone attack sparked fire and forced partial evacuation of the town of Toropets.