Two people and their dog killed in rare grizzly bear attack in Canada national park

Couple have not yet been identified and bear demonstrating aggressive behavior' was killed by park rangers

Two people and their dog have been killed in a rare grizzly bear attack in Canada's Banff national park, and the bear was later killed by park rangers.

The couple have not yet been identified but loved the outdoors and were inseparable", a family member said in a statement.