They had remained under the special security of the Kalutara Police Training College while being treated.
2 STF on detention orders, two Nigerians, an associate of the notorious 'Kudu Lassie', and a police constable are also among the 10 persons.
The constable was arrested on charges of taking Rs. 500,000 from Kudu Lassie's mother to send a mobile phone to Lassie's cell, while being attached to the CID.
The 10 persons had been transferred back to the CID after 14 days of treatment.