As reported by Censor.NET citing Ukrainska Pravda, this was announced by the Department of State Emergency Service in the Kyiv region. The authority clarified that the fume and smog having engulfed the capital on Wednesday evening may result from peatlands and grass burning around the city. No fires have been reported within the capital that could lead to such a smog.
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Kyiv covered in acrid smoke: shortened day at schools today, no studies tomorrow, - Kyiv City State Administration(0)