Is the right hon. Gentleman aware that the previous convictions of these men were for comparatively minor offences? Is the right hon. Gentleman aware that some of us are afraid that prison governors exercise their powers in this matter in a somewhat arbitrary manner? Is there a statutory limitation on the length of time for which prisoners can be kept in solitary confinement? Can the right hon. Gentleman assure us that these men have not been put back into solitary confinement after the rejection of their appeals yesterday?