Four people were arrested on drug charges in Wayne Township late last week. The Cass County Sheriff’s Department said at 12:04 a.m. Friday a search warrant was executed in the 50,000 block of Green Lake Street. The Cass County Drug Enforcement Team, along with Cass County deputies and K-9 Charlie from Van Buren County performed the warrant. A 71-year-old woman was arrested on charges of maintaining a drug house. Names of the individuals are pending arraignment in Cass County court.