PENNSYLVANIA STATE POLICE CONDUCTED A TRAFFIC STOP ON HARRISON STREET IN THE BOROUGH OF SUMMERVILLE AT JUST AFTER 5PM ON MAY 8TH.  THE 2003 CHEVY TRACKER WAS FOUND TO HAVE A STOLEN PLATE.  TROOPERS IDENTIFIED THE OPERATER OF THE VEHICLE AS A 51-YEAR-OLD SUMMERVILLE MAN WHO WAS ALLEGEDLY DRIVING UNDER THE INFLUNCE OF CONTROLLED SUBSTANCES AND HAD AN ACTIVE WARRANT OUT FOR HIS CONNECTION TO A BURGLARY.  HE WAS TAKEN TO THE CLARION COUNTY JAIL AND CHARGES ARE PENDING A TOXICOLOGY REPORT.