The Missouri Supreme Court on Tuesday upheld a voter-approved ballot measure gradually raising the state's minimum wage to $15 an hour and requiring employers to provide paid sick leave to workers. The court rejected claims from business groups that the initiative's ballot summary and cost estimate were misleading and

The legislation repeals the entire earned sick leave portion of Proposition A as well as a portion of the minimum wage increase. Only one Republican joined all Democrats in voting no.

Democrats in the Missouri Senate vowed the procedural moves, which are rarely used, would lead to a "painful" response in the future.