Yellowstone tourists put bison calf in car, spurring warning

HELENA, Mont. (AP) — A bison calf that tourists loaded into their vehicle at Yellowstone National Park because they were concerned for its welfare has spurred warnings to avoid wildlife after the animal had to be put down.

The incident last week and several other recent cases have led park officials to urge people to stay at least 25 yards from all wildlife and 100 yards from bears and wolves.

Vis...