A teenager suffered what officials called “significant thermal burns” after he broke through crust near a geyser at Yellowstone National Park. The National Park Service said the incident involving a 17-year-old occurred Monday in the vicinity of Lone Star Geyser near Old Faithful at the famed park in Wyoming.

Officials said a 17-year-old male sustained “significant” thermal burns to his foot and ankle area while hiking in Yellowstone National Park earlier this week.

A teenage boy visiting Yellowstone National Park was seriously burned when his foot broke through the ground near a geyser by the infamous Old Faithful, officials said.