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A young Boy Scout died when a flash flood swept through his campground in northern New Mexico, according to officials.

The victim was part of a group of scouts on a 12-day trek across Philmont Scout Ranch when a flash flood swept through their campsite before dawn on Saturday, according to NBC affiliate station KOB. Four boys were swept away but three were located immediately, KOB reported.

Philmont Scout Ranch — which has 214 square miles of wilderness — said its staff had "immediately" contacted crews and trekkers in the backcountry to check on safety and offer help after "significant" rainfall caused flooding in some areas of its property.

"During that process, our staff was unable to account for one youth participant, who we have since confirmed passed away," the ranch said in a statement offering thoughts and prayers to the affected family.

"All other participants have been accounted for and there are no additional injuries," it added.