Grizzly Bear Attacks Hiker in Grand Teton, Driven Off by Burst Bear Spray

Park officials confirm bear acted in defense of cub; hiker expected to recover fully.

A Massachusetts man was attacked by a grizzly bear in Grand Teton National Park and used bear spray to fend off the animal.
The bear bit into the bear spray canister, causing it to burst and drive the bear away.
Officials determined the bear was likely protecting its cub and will not be pursued or killed.
The hiker, who played dead during the attack, was airlifted to a hospital and is in stable condition.
The trail and road near Signal Mountain remain closed following the incident.