The 59-year-old Modesto, California, man who was attacked by a pack of pit bulls on Tuesday night has died as a result of his injuries, local authorities announced Wednesday. His 77-year-old mother, who was also attacked, remains in the hospital with critical injuries. They have not been identified pending family notification. Police responded to a call and found the man being attacked by four pit bulls, with the woman inside the home. The police shot and killed the dogs, and found the man unconscious and unresponsive. Police have identified the owner of the dogs and are investigating.