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Somali pirate kidnap survivor Debbie Calitz and eight other people are due to appear on drug-related charges in the Hatfield District Court in Pretoria on Wednesday.
Fifty year-old Calitz and 8 others between the ages of 19 and 29, were arrested at a house in Constantia Park, Pretoria, in December.
Police received a tip-off about a drugs party and found hallucinogenic "magic mushrooms" and dagga.
Calitz and her former long-term partner Bruno Pelizzari were released from captivity in Somalia almost 6 months ago, after being held for nearly 2 years.