Crashes, arrests keep police busy over the weekend. #OceanaCountyCrime The following is police activity in Oceana County over the weekend: Friday, July 6, 2018: – 6:48 p.m., (Oceana County Sheriff’s Office), heroin possession, no arrests, South 160th Avenue, Greenwood Township. – 11:22 p.m., (OCSO), a 33-year-old Hart man was arrested for subsequent offense driving while license suspended (DWLS), Michigan Avenue,…