The story

Two brothers injured in a Christmas Day tiger attack at the San Francisco Zoo will not face charges, the lead investigator in the case told CNN Monday.

San Francisco Police Inspector Valerie Matthews said the investigation had found no evidence that Paul and Kulbir Dhaliwal taunted a 350-pound tiger that apparently scaled a 12½ foot wall surrounding its enclosure.

The tiger attacked and killed 17-year-old Carlos Sousa and injured the Dhaliwals. Read full article »