January 5, 2012 8:08 pm Bison vs Dog in San Francisco An unusual and tragic story out of San Francisco, where a dog attacked a young bison. Joe Rosato Jr. shows us what happened. US & World Videos 2:08 Oakland's Little Saigon hosts first Sunset Market in Clinton Park 0:17 Child hit by car in Oakland 3:52 Pro-Palestinian protests continue at college campuses in Bay Area, across the nation 0:42 1 arrested in Piedmont after attack on elderly man, struggle with police chief 0:28 Woman hospitalized following crash in San Jose, police say