Mankato (KMKO)-A teenage girl from St. Peter died in a weekend crash in McLeod County.  Three vehicles were involved in the wreck, which happened just before noon Saturday near Brownton.  According to the state patrol, 13-year-old Ashley Leonard of St. Peter was a passenger in a pickup that crossed the center line on Highway 15 and collided with two other vehicles.  The driver of the pickup, 19-year-old Blake Leonard of St. Peter, was injured.  The driver, 19-year-old Blake Leonard, suffered non-life threatening injuries.  The driver of another vehicle, 77-year-old Beatrice Klinkner of Hanska, also died.  Three other people were injured in the crash.