At least five people have been injured in an explosion at a waste disposal facility near the Linz airport in Austria.
The cause of the explosion was not immediately clear, but police confirmed that it was not a terror attack.
Two of the injured are said to be in a critical condition.
Officials said the most of the workers were evacuated safely.
According to local media reports, over 250 firefighters are battling the blaze, which has spread to two warehouses.