St. Peter (KMKO)-A semi driver was injured early this morning when his rig flipped over on Highway 169.  The incident happened south of St. Peter just after 1:00 am.  According to the state patrol, the Freightliner was southbound when it went into the median.  The driver over corrected and the truck tipped over on its side, blocking both southbound lanes.  The name of the driver has not been released.