TREMPEALEAU COUNTY, Wis. (WEAU) -- Two people are hurt after a propane flash in Trempealeau County.
According to the sheriff's department, it happened just after 10:30 Monday morning at the Ettrick Elementary School.
Deputies said an exterior propane system was being assessed for scheduled maintenance when a flashover occurred from an unknown source or leak.
The two people hurt are identified as 62-year-old Dale Anderson of Ettrick and 48-year-old Chad Longmair of Linwood, Minnesota.
One was flown by helicopter and one was taken by ambulance to a La Crosse hospital.
Deputies said there was no danger to the students at Ettrick Elementary.