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  • Writer's pictureDunn County Sheriff's Office

Fatal Vehicle Crash - Village of Knapp

On September 17, 2020, about 11:54 AM the Dunn County Sheriff’s Office, Menomonie Fire and ambulance along with Mayo Helecopter were dispatched to USH 12 at CTH Q (s) in the Village of Knapp for a one vehicle crash with significant injury.


The initial crash investigation shows that a 1993 Cheverolet truck operated by 25 YOA female was northbound on CTH Q and failed to stop for the stop sign at the intersection. The vehicle continued northbound across USH 12 and entered the ditch. The vehicle then struck a tree and entered the Mattison construction property were it struck the a pile of new guard rail sections. The driver had to be extricated from the vehicle by Menomonie Fire. The driver was flown from the scene by Mayo Helecopter to Mayo- Eau Claire. The drivers condition appears to be life threatening. The driver was wearing her seatbelt, and speed appears to be a factor in the crash.


The crash remains under investigation by the Dunn County Sheriff’s Office.


The names of the individuals involved in the crash are not being released at this time pending notification of family. Updated Information September 22, 2020: The driver of the vehicle involved in the crash has died do to injuries sustained in the crash. The driver was identified as ALYSHA HELLEKSON age 25 from Menomonie, WI. The crash remains under investigation by the Dunn County Sheriff’s Office.

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