MINNEAPOLIS (WCCO) — A 10-year-old boy has died after going missing in the St. Croix River.

Four-and-a-half hours after he was reported missing, a 10-year-old boy was pronounced dead at Regions Hospital. Authorities found him at 4:30 at William O’Brien State Park.

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The county sheriff’s office, fire, rescue, and water recovery team along with the Minnesota DNR assisted with the search.

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When authorities found him at the St. Croix River, medics worked on him, bringing him to Regions Hospital.

“Somebody who was in our kayak told us that there was a missing person. We didn’t know much beyond that but then when we were walking back on the trails we saw a couple of guys carrying their waders with them so they had just gotten out of the water,” said Amanda Connor, who was canoeing on the river during the search.

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The incident is still currently under investigation by the Washington County Sheriff’s Office.

Erin Hassanzadeh