(a) A justice court, county court, or municipal court shall order the animal control authority to seize a dog and shall issue a warrant authorizing the seizure:
(1) on the sworn complaint of any person, including the county attorney, the city attorney, or a peace officer, that the dog has caused the death of or serious bodily injury to a person by attacking, biting, or mauling the person; and
(2) on a showing of probable cause to believe that the dog caused the death of or serious bodily injury to the person as stated in the complaint.
(b) The animal control authority shall seize the dog or order its seizure and shall provide for the impoundment of the dog in secure and humane conditions until the court orders the disposition of the dog.