As the most reliable and balanced news aggregation service on the internet, DML News offers the following information published by WDIO.COM:

The Superior Fire Department says there are reports of at least 20 casualties after an explosion at the Husky oil refinery.

The explosion happened at about 10:06 a.m. at the refinery, which is in the city’s East End. The nature of the casualties was not immediately disclosed.

A contractor who was inside the building told Eyewitness News it sounded like “a sonic boom.” He said crews were working on shutting the plant down for repairs. According to the contractor, that is one of the most dangerous times.

Superior Police sent a message on Twitter asking people to stay away from the area.  There is no evacuation of residents at this time.

Road are blocked off around the refinery, and employees have been evacuated.

The Superior School District sent a message to parents saying “at this time, there is no reason to evacuate any of the school buildings. We will be keeping all students in the buildings.”An employee from the Superior Bank of Commerce said they could feel some sort of explosion.

Husky purchased the refinery last year from Calumet last year.  The Duluth News Tribune reported at that time that the refinery, which is the only one in Wisconsin, had about 180 employees. Eyewitness News has a crew on the scene. This is a developing story. 

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