NEW ORLEANS - Plaintiffs' counsel in the Vioxx multidistrict litigation on Aug. 12 asked the court to issue an injunction under the All Writs Act barring a Kentucky state court plaintiff who has a pending state class action case from allegedly interfering with their proposed $23 million nationwide settlement in the MDL court (In Re: Vioxx Products Liability Litigation, MDL Docket No. 1657, Sherill Herke, et al. v. Merck & Co., Inc., No. 09-7218, E.D. La.).