![BREAKING: Explosion at Campbell County Oilfield Closes Highway](http://townsquare.media/site/101/files/2011/10/75609166.jpg?w=630&h=420&zc=1&s=0&a=t&q=89&w=980&q=75)
BREAKING: Explosion at Campbell County Oilfield Closes Highway
An explosion at an oilfield site has closed a highway in northern Wyoming.
Campbell County Sheriff's officials say the blast happened around 2 p.m. Wednesday.
They had no additional information but said a medical helicopter was headed to the area.
Wyoming Highway 59 was closed north of Gillette.
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