; or (ii) any action taken to apprehend or detain any alien attempting to enter the United States illegally or to evade execution of an arrest warrant for a violation of any immigration law. (4) Savings provision Nothing in this subsection may be construed to affect any right or remedy available pursuant to chapter 171 of title 28, United States Code (commonly known as the Federal Tort Claims Act ). . 116. Eradication of carrizo cane and salt cedar Not later than January 20, 2021, the Secretary of Homeland Security, after coordinating with the heads of the relevant Federal, State, and local agencies, shall begin eradicating the carrizo cane plant and any salt cedar along the Rio Grande River. 117. Prevention, detection, control, and eradication of diseases and pests (a) Definitions (1) Animal The term animal means any member of the animal kingdom (except a human). (2) Article The term article means any pest or disease or any material or tangible object that could harbor a pest or disease. (3) Disease The term disease has the meaning given the term by the Secretary of Agriculture. (4) Livestock The term livestock means all farm-raised animals. (5) Means of conveyance The term means of conveyance means any personal property used for or intended for use for, the movement of any other personal property. (6) Pest The term pest means any of the following that can directly or indirectly injure, cause damage to, or cause disease in human livestock, a plant, or a plant part: (A) A protozoan. (B) A plant or plant part. (C) A nonhuman animal. (D) A bacterium. (E) A fungus. (F) A virus or viroid. (G) An infectious agent or other pathogen. (H) An arthropod. (I) A parasite or parasitic plant. (J) A prion. (K) A vector. (L) Any organism similar to or allied with any of the organisms described in this paragraph. (7) Plant The term plant means any plant (including any plant part) for or capable of propagation, including a tree, a tissue culture, a plantlet culture, pollen, a shrub, a vine, a cutting, a graft, a scion, a bud, a