He did not identify the person killed or immediately provide additional details about the circumstances surrounding the death. Information about the victim is being withheld pending family notifications.
Curry said authorities were looking for the bear.
The campground is about three miles (5km) from the park entrance at West Glacier.
Bear attacks in the area are rare. Park officials said there had been 10 bear-related human deaths in Glacier since the park was created in 1910.
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