Authorities are searching near the North Entrance of Yellowstone National Park for man who failed to return from a day hike on Wednesday.

Jeff Murphy, 53, from Batavia, Ill., was last seen at 8 a.m. Wednesday at the Rescue Creek Trailhead near the north entrance. He intended to hike to Turkey Pen Peak.

Murphy is 5'11" tall and weighs 190 pounds. He may be wearing Khaki pants, a yellow t-shirt, navy pullover, a green and gray rain jacket along with an army-green backpack.

Park staff started searching for Murphy on Thursday. They're currently on foot and in the air, looking for Murphy in the Rescue Creek area.

Anyone with information about Murphy or his whereabouts is asked to call 307-344-2643.

In a news release, the park's public affairs office said further details about the ongoing search will be provided as they become available.

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