Part 57 of Civil Procedure Rules – Writ of Habeas Corpus ad subjiciendum – principles of Law applicable – Constitution of Jamaica; s. 9, 10, 13, 14 & 20 – The Emergency Powers Act; The Emergency Powers Regulations – s. 30, 33 & 38; Separation of Powers Doctrine/Principle whether Executive breached Doctrine – whether Detention of Petitioners unlawful under EPA & EPR as being in breach of Constitution – proportionality – whether measures under EPA reasonably justifiable.