(Union County, IN)--Arrests have now been made after more than 30 cases of vandalism occurred in Union County over the weekend.  Two carloads of boys who were all under the age of 18 smashed mailboxes on Nine Mile Road and Contreras Pike.  One homeowner heard the noise and chased the cars toward Oxford, where they were stopped.  The Union County Prosector’s Office is reviewing the case.  The boys were released to their parents.