Per Curiam. The trial judge correctly directed a verdict for the appellees because the evidence conclusively shows that the act of another constituted an independent, intervening, efficient cause of the accident which was not reasonably foreseeable. See Rawls v. Ziegler, Fla.1958, 107 So.2d 601; Lingefelt v. Hanner, Fla.App.1960, 125 So.2d 325.