The Animal Emergency Center of Temple-Belton The Animal Emergency Center was formed by many local veterinary clinics, including veterinarians from Temple, Belton, Killeen, Harker Heights, Gatesville, and the surrounding rural areas. Our goal is to provide quality emergency veterinary care for the residents of the Central Texas area during weekends, holidays, and outside standard business hours. The Animal Emergency Center was formed by many local veterinary clinics, including veterinarians from Temple, Belton, Killeen, Harker Heights, Gatesville, and the surrounding rural areas.