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June 12, 2014 01:57 PM

Tractor Rollover Seriously Injures Yankton Man

Yankton, SD

Authorities clarified that Yonke was not ejected from the cab when the tractor rolled.

A tractor rollover critically injured a Yankton man today.

At approximately 10 a.m., emergency crews responded to a tractor rollover at State Highway 52 and Calumet Drive, west  of Yankton, near Lewis & Clark Lake.   

Mark Yonke of Yankton was inside the cab when it rolled multiple times.  Investigators say Yonke was mowing grass at a townhouse property when the tractor rolled.  

Crews  transported Yonke to Avera Sacred Heart Hospital. He was later transferred to Sioux Falls via helicopter.

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This article has been revised to reflect the following correction: