Explosion rocks Wisconsin refinery, at least 5 hurt
SUPERIOR, Wis. (AP) — A tank containing crude oil or asphalt exploded at a large refinery in Wisconsin on Thursday, injuring several people and causing a blast that one worker described as sounding like a sonic boom.
No fatalities have been reported, but at least five people have been taken to hospitals in Duluth, Minnesota, following the explosion at the Husky Energy oil refinery at about 10 a.m., Superior Fire Chief Steve Panger told The Associated Press.
Panger didn't have details about the extent of their injuries. Others were walking wounded.
Essentia Health spokeswoman Maureen Talarico said five people injured in the explosion are being treated at St. Mary's Medical Center, a Level II trauma center in Duluth. She said emergency room physicians described those patients as awake and alert. Another five are being treated at St. Mary's Hospital in Superior, Talarico said. She said the extent of injuries is unknown.
In Duluth, St. Luke's Hospital was treating one person and did not expect to receive any more, spokeswoman Jessica Stauber said. She did not have a condition for that person.
Panger said a small tank containing either crude oil or asphalt exploded in the refinery. A contractor who was inside the building told WDIO television that the explosion sounded like "a sonic boom" and that it happened when crews were working on shutting the plant down for repairs.


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