prevented from entering GB on ground he was or had been involved in acts of
no longer member of terrorist organisation and life in danger if continued to
live in NI.
Secretary refused to revoke exclusion order.
J recognised freedom of movement, subject only to general law, was fundamental
value of common law.
given to Home Secretary, not by modifying general law, but by depriving certain
persons of this right, was draconian measure only justifiable by grave
would scrutinise minister’s judgment carefully.