ISLAND PARK, Idaho — The Idaho Department of Fish and Game (IDFG) said a man was attacked and bitten by a grizzly bear while hunting for elk with a friend in Island Park.

Authorities determined that the hunter and his friend acted in "self-defense" during the attack in Idaho Idaho authorities said two archery hunters shot and killed an adult male grizzly bear after the animal attacked one of them.

Two archery hunters in East Idaho shot and killed an adult male grizzly bear Sunday after the animal knocked one of the men down and bit him. The men were hunting elk on the Caribou-Targhee National Forest near Island Park when they had a “surprise encounter” with the bear, according to a news release from the Idaho Department of Fish and Game.

Montana Fish, Wildlife and Parks announced a three-year old male grizzly was euthanized after a series of conflicts that began in August in the Elk Park area no

Albertans are being warned to stay vigilant following a grizzly bear attack that occurred near the hamlet of Madden. On Sept. 1, a man in the Madden area suffered serious, but non-life-threatening, injuries after being attacked by a female grizzly bear .