A man has been killed by a grizzly bear in Yellowstone national park, according to the US national parks service.
The Montana man’s body was found on Friday afternoon in a popular off-trail area near Lake Village.
The victim’s name has not been revealed.
Authorities were not releasing an official cause of death until after an autopsy and other investigations.
Based on tracks found at the scene and other evidence it appeared that an adult female grizzly and at least one cub were likely involved, authorities said.
The national wildlife federation says a large female grizzly can weigh over 350kg (800 pounds).
Bear traps were set in the area on Friday evening , with the Elephant Back Loop Trail now closed to hikers until further notice.
If bears are trapped and identified as having been involved in an attack they are euthanised.