Mo. Rev. Stat. § 105.595

Whenever it shall appear that any labor organization or representative of any labor organization or any public body or representative of a public body has violated or is about to violate any of the provisions of sections 105.570 to 105.590, the department, a public body, or any citizen of the state of Missouri may bring a civil action for such relief, including injunctive relief, as may be appropriate. Any such action may be brought in the county where the violation occurred, or is about to occur, and damages and attorney's fees shall be awarded for the enforcement of the provisions of sections 105.570 to 105.590.