Black snow fell on the Russian region of Kemerovo, Siberia, triggering an investigation by the prosecutor's office.
Black snow fell on the streets of three towns in the region, Prokopyevsk, Kiselevsk and Leninsk-Kuznetsky.
Many citizens have shared the images of dirty snow on social networks, reports many Russian media.
https://twitter.com/siberian_times/status/1096421557407084544
- siberian_times
According to regional media reports, the snow has turned black due to coal dust emissions at two local factories.
Prokopievskaya's general manager Anatoly Volkov told Vesti-Kuzbass TV that filtering curtains protect the streets from coal.
https://twitter.com/MetAlertIreland/status/1096433246487937024
- MetAlertIreland
Deputy Governor of the Kemerovo Region, Andrei Panov, said that "coal boilers, vehicle exhaust fumes and other polluting industries contribute to this pollution".
https://twitter.com/Strange_Sounds/status/1096498261731565570
- Strange_Sounds
The authorities intend to use dust cannons, protective barriers and other methods to fight dust.
Social network users in the region criticize local coal companies.
https://twitter.com/mbk_center/status/1095997682592698368
- mbk_center
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https://twitter.com/Bartolomju/status/1095774492570411008
- Bartolomju
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https://twitter.com/Albertich61/status/1094595344439132160
- Albertich61
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