Two people were killed and more than 30 others injured early Sunday when a charter bus crashed in icy conditions near Clinton, Montana, officials said. The bus, operated by Rimrock Trailways, was en route to Missoula from Billings on Interstate 90 when it crashed, according to Dan Ronan of the American Bus Association. Black ice conditions were present on the highway, Ronan said. "We are saddened by what happened and our condolences go out to the families," he said.