Teenager dead, 4 others injured in stabbing on Apple River in Wisconsin

SOMERSET, Wis. -- A 17-year-old Minnesota boy is dead and four others are seriously injured after a stabbing on the Apple River near the Minnesota-Wisconsin border on Saturday.

St. Croix County dispatch received reports of a stabbing on the Apple River upstream from Sunrise Bridge in Somerset at approximately 3:45 p.m. 

The victims were tubing on the river when the incident took place. One woman and three men, all in their early twenties, were taken to the hospital for treatment of their wounds, St. Croix County Sheriff Scott Knudson said.

The suspect, a 52-year-old man from Minnesota, initially ran off but is now in custody. Police say he was with another group that was tubing. He did not have a knife when officers arrested him.

It is unclear if the stabbing was random, the sheriff's office said, stressing it is still early in the investigation.

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• Stabbing