This is a motion for an injunction to stay the prosecution of a number of criminal cases in the courts of Mississippi pending an appeal to this Court from the judgment of a three-judge Federal District Court. A federal injunction to stay state criminal proceedings is an extraordinary remedy. Cf. Douglas v. City of Jeannette, 319 U. S. 157; Ex parte Young, 209 U. S. 123. In addition to the considerations normally attending an application for such relief, a serious question of standing is presented on this *347 motion, in that it appears that the movants themselves are not being prosecuted in the Mississippi courts. On the record before us the motion for a stay injunction pending appeal is denied.