Any dog that has caused bodily injury to a person during an unprovoked attack, and poses a serious threat of bodily injury or death to a person; or killed another domestic animal, and poses a threat of serious bodily injury or death to a person; or poses a threat of death of another domestic animal; or has been trained, tormented, badgered, baited or encouraged to engage in unprovoked attacks upon persons or domestic animals. A dog shall not be declared "potentially dangerous" for causing bodily injury to a person if that person was committing or attempting to commit a crime or if that person was tormenting or inflicting pain upon the dog in such an extreme manner that an attack of such nature could be considered provoked; or killing a domestic animal if the domestic animal was the aggressor.
Bodily injury which creates a substantial risk of death or which causes serious, permanent disfigurement or protracted loss or impairment of the function of any bodily member or organ.