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.

A 17-year-old hiker was burned after his foot broke through the thin crust in a thermal area near Old Faithful in Yellowstone National Park, officials said. A 17-year-old hiker burned his foot and ankle while hiking in a thermal area near Old Faithful in Yellowstone National Park, officials said.

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. The National Park Service (NPS) said in a news release that the incident happened on the morning of Monday, July 28, in the vicinity of Lone Star Geyser near Old Faithful.