A SOCIAL MEDIA POST ABOUT SCHOOL SHOOTINGS HAD LAW ENFORCEMENT AND SCHOOL OFFICIALS ON ALERT FRIDAY.  SIX STUDENTS IN SIOUX CITY WERE ARRESTED, AND WEST DES MOINES POLICE REPORTED FIVE STUDENTS WERE TAKEN INTO CUSTODY, FOR ALLEGED THREATS EARLIER IN THE WEEK.  THERE HAVE BEEN NO REPORTS THUS FAR FROM SCHOOLS IN THE KFJB-KXIA LISTENING AREA.