A man had to get surgery after he was attacked and thrown into the air by a bison at Yellowstone National Park in Wyoming.
Amie Adamson -- a 47-year-old from Derby, Kansas -- was likely killed in a grizzly bear attack on Buttermilk Trail.
A woman was hospitalized after she was gored by a bison in Yellowstone National Park, park officials said.
The derailed cars were carrying hot asphalt and molten sulfur, officials said.
Yellowstone officials warn the public to not approach bison and other wildlife in the park but one woman stood a foot away from one for a selfie.
A Colorado man required medical treatment at a hospital after he was gored by a bull bison at Yellowstone National Park in Wyoming, officials said.
