Family and friends of Carl Mock, who was attacked by a grizzly bear on Thursday morning, say that he passed away on Saturday morning.
The West Yellowstone man, who was 40 years old, was taken to a hospital in Idaho Falls after being attacked by the bear.
According to GoFundMe account created by friends who work at a backcountry guide business in West Yellowstone, Mock died while hospitalized after suffering a stroke after at least two surgeries.