A 40-year-old man and his hunting partner were bowhunting elk near Yellowstone Park when they startled a bear that attacked them. One man suffered a broken arm and other non-life threatening injuries, unlike the Montana hunter, who was killed last week.
From this story on msnbc.com:_
The bear charged at the hunter, who was nearer the animal than his partner. The partner used a bear spray canister, which shoots an aerosol mixture of hot pepper, as the animal retreated._
_Idaho conservation officers said early indications suggested the bear was a grizzly but they were awaiting confirmation from DNA evidence gathered from the scene.
"It's very clear from the incident that the bear was surprised and ran away. It did not intend to kill or consume the men," said Losinski, who is a member of a federal-state task force on grizzly bears.
Thousands of black bears roam Idaho but their out-sized, hump-shouldered grizzly cousins are fewer in number. There are about 600 grizzlies in the greater Yellowstone area, which spans parts of Wyoming, Idaho and Montana.