MINNEAPOLIS (WCCO) — The Polk County Sheriff’s office says a driver is dead, and their passenger is fighting for his life after a single-vehicle crash Wednesday evening in St. Croix Falls, Wisconsin.

Deputies were called to Highway 87, near County Road I, just after 6 p.m., where they found a severely damaged Chevrolet HHR.

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Investigators say the SUV was heading southbound on Hwy. 87 when it suddenly and sharply veered to left after passing the C.R. I intersection. The SUV went off into the ditch on the east side of the road, rolled over, then hit a tree with its roof.

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The driver was pronounced dead at the scene, while their passenger was flown to Regions Hospital in St. Paul. His condition has not been released.

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The names of both victims are being withheld while the crash is still under investigation.