...Roberto Cataldo, 29, of Modena, Italy, reported the encounter Monday, 4 to 6 miles northwest of Kantishna. Backcountry Unit 46, a roughly 50-square-mile tract that encompasses the area where Cataldo said he had hiked, was closed indefinitely...

...for the National Park Service in Alaska, said closing decisions are made by park superintendents. On Tuesday, a backcountry unit in Denali National Park was temporarily closed because a bear ripped a tent, she said. Tom Harrison, superintendent...

...Searchers have focused on camping areas and other travel routes on Mount Healy and in the adjacent Primrose Ridge backcountry unit. An air search Saturday used two helicopters and a fixed wing aircraft. Three teams of ground searchers Sunday...