A woman and her son have been arrested in Vosloorus, Gauteng, for allegedly possessing and selling drugs.According to the Ekurhuleni Metro Police Department (EMPD), the 63-year-old woman and 32-year-old man were found in possession of 21 zip-lock bags containing khat and seven bags of dagga worth R4 900 on Friday."Charges of possession and dealing in illicit substance/s were registered against them," metro police spokesperson Kobeli Mokheseng said."Following a tip-off from an anonymous caller about an alleged illicit act, the EMPD Drug Enforcement Unit raided a house in Morena Street, Extension 4. Arrests were made and narcotics seized."The two are expected to appear in the Vosloorus Magistrate's Court soon.