A BRADENTON WOMAN, ONE OF NINE PEOPLE IN A VAN, WAS KILLED WHEN THE VAN ROLLED OVER ON THE INTERSTATE IN NORTH PORT SATURDAY NIGHT.  THE FLORIDA HIGHWAY PATROL SAYS 41 YEAR OLD JOSE SANCHEZ WAS NORTHBOUND ON 75 NEAR MILE MARKER 184 WHEN HE LOST CONTROL AND SPUN OUT.  AS THE VAN HIT THE SHOULDER OF THE ROAD, IT OVERTURNED SEVERAL TIMES INTO THE WOODS ALONG THE HIGHWAY.  46 YEAR OLD JUANA MARTINEZ WAS THROWN FROM THE VAN AND PRONOUNCED DEAD AT THE SCENE.  20 YEAR OLD JUAN FLORES WAS SERIOUSLY INJURED AND BAYFLITE TO BAYFRONT MEDICAL CENTER IN ST. PETERSBURG, WHILE SIX OTHER PASSANGERS RECEIVED MINOR INJURIES AND WERE TAKEN TO SEVERAL AREA HOSPITALS FOR TREATMENT.  TROOPERS SAY ALCOHOL WAS NOT INVOLVED IN THE ACCIDENT, AND CHARGES ARE PENDING THE COMPLETION OF THE INVESTIGATION.