(b) upon reasonable suspicion of his having committed, or being about to commit, a criminal offence, and who is not released, shall be brought before a court as soon as is reasonably practicable, and where he is not brought before a court within forty-eight hours of his arrest or from the commencement of his detention, the burden of proving that he has been brought before a court as soon as is reasonably practicable shall rest upon any person alleging that the provisions of this subsection have been complied with. (4) Where any person is brought before a court in execution of the order of a court in any proceedings or upon suspicion of his having committed or being about to commit an offence, he shall not be thereafter further held in custody in connection with those proceedings or that offence save upon the order of a court. (5) If any person arrested or detained upon suspicion of his having committed, or being about to commit, a criminal offence is not tried within a reasonable time, then, without prejudice to any further proceedings that may be brought against him, he shall be released either unconditionally or upon reasonable conditions, including in particular such conditions as are reasonably necessary to ensure that he appears at a later date for trial or for proceedings preliminary to trial. (6) Without prejudice to the generality of any other provision of this Constitution or any other law by virtue of which a person is entitled to redress for a contravention of this section, any person who is unlawfully arrested or detained by any other person shall be entitled to compensation from that other