What caused the OVH fire?

What caused the OVH fire? A report from the Bas-Rhin fire service says it all started with an electrical inverter that caught fire on the first floor of the five-storey building in Strasbourg, France.

A report from the Bas-Rhin fire service says it all started with an electrical inverter that caught fire on the first floor of the five-storey building in Strasbourg, France.
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