16 February 2017.  The residents of Oberhausen in the Ruhr area have been warned not to leave their homes due to a toxic cloud over the city. The cloud formed due to an incident at a chemical plant in the city on Thursday, creating a dangerous toxic cloud.

THE LOCAL.DE

https://www.thelocal.de/20170216/residents-told-to-stay-inside-as-toxic-cloud-descends-on-ruhr-area-town

At industryabout.com:

Hamm Chemie - Oberhausen Inorganic Chemical Plant

Niederrhein Incineration Plan

Germany - Industrial Map

 

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