In Yellowstone National Park, when a bison dies it’s not long before wolves or grizzly bears move in on the carcass. If one or two wolves are on the carcass, a lone grizzly bear can usually clear them ...

A mother is detailing what her 10-year-old son endured when a grizzly bear attacked during a school outing in British Columbia, Canada.

An “aggressive” Grizzly bear attacked a group of schoolchildren and teachers, leaving two people in critical condition and several others seriously hurt, officials said.

Eleven people were injured in the attack, two critically. A grizzly bear attack on students and teachers has left 11 injured. Two people have critical injuries; most others were treated at the scene.