At least two people were rescued from Mount Washington in New Hampshire while details on a third person who got into trouble were not immediately clear after rescue efforts extended through a stormy night and into Sunday morning.

The three people got into trouble Saturday afternoon at Tuckerman Ravine, an area popular with backcountry skiers, according to officials. Two of the people suffered injuries that were not life-threatening before rescue efforts began.

“The snow rangers and emergency personnel were up there late last night. They’re exhausted,” said Colleen Mainville, a spokesperson with the U.S. Forest Service.

She said conditions in the ravine were icy.

The rescuers also battled through snow and winds. The National Weather Service issued a winter storm warning, predicting up to 1 foot (30 centimeters) of heavy, wet snow and strong winds.

Mainville said cellphone coverage on the mountain was patchy, and she did not yet have all the details on what had happened. She expected to be able to release more information by early afternoon.

The mountain is the tallest in the Northeast and is notorious for its fickle weather. It is the sight of frequent rescues.

The night before the three people got into trouble, New Hampshire Fish and Game reported that a 23-year-old hiker from Kentucky had been rescued after going off trail and into the Ammonoosuc Ravine.

The hiker “fell and hit his head and face, lost one of his sneakers, and eventually became hypothermic,” the agency said in a statement.

Another hiker who was rescued from the Ammonoosuc Ravine in February described his 11-hour ordeal to The Associated Press, acknowledging he had made some poor decisions and was underprepared for his hike.

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