A grizzly bear mother with cubs was likely responsible for an attack that left two hikers in Yellowstone National Park seriously injured on Monday, the park said in a Friday update. Evidence from the attack suggests that the female grizzly involved likely had two or three cubs born over the winter.

Two hikers in Yellowstone National Park were found last week by a third hiker who followed grizzly bear tracks to the scene of a bear attack. They were

This is a once-in-a-lifetime wildlife encounter!

Hiker Craig Lerman was the first to find one of two victims of a grizzly bear attack near Old Faithful in Yellowstone on Monday after he stumbled on

ABC News reported that another hiker, Craig Lerman of Maryland, came upon the aftermath after noticing at least two sets of claw marks, then spotting a bloody hat and a torn-off watch near the trail. He soon heard one of the injured hikers calling for help.