
    390 A.2d 293
    Commonwealth v. Johnson, Appellant.
    
      Argued March 20, 1978.
    Joseph T. Murphy, Jr., for appellant; Edward G. Rendell, District Attorney, submitted a brief for Commonwealth, appellee.
   Judgment of sentence affirmed.

HOFFMAN and SPAETH, JJ., would remand for hearing in accordance with Commonwealth v. Twiggs, 460 Pa. 105, 331 A.2d 440 (1975).  