The authority shall have the right to acquire by eminent domain any real property, including fixtures and improvements, which it may deem necessary to carry out the purposes of this chapter after the adoption by it of a resolution declaring that the acquisition of the property described therein is in the public interest and necessary for public use. The authority may exercise the power of eminent domain pursuant to the provisions of Chapter 2 (§ 25.1-200 et seq.) of Title 25.1 and any applicable statutory provisions in force or hereafter enacted for the exercise of the power of eminent domain by cities. Property already devoted to a public use may be acquired. No property belonging to any locality, government, religious corporation, unincorporated church or charitable corporation may be acquired without its consent.