South Australian police say a suspicious chemical spill at a Riverland post office last week is linked to a series of drug raids.
More than 100 allegedly drug-related exhibits were seized in the region on Tuesday following searches of properties at Waikerie, Barmera and Taylorville, police said.
A 48-year-old Waikerie man and a 41-year-old Torrensville man were arrested and charged with the importation of marketable quantities of controlled precursors.
