asked the Secretary of State for the Home Department how many persons have been refused entry to, or deported from, Great Britain by reason of their association with terrorist organisations in 1971, 1972, 1973 and January 1974 ; and at which airports or seaports they were apprehended, stating the figures for these.

To give the hon. Member a satisfactory reply would entail a search of the records and an appraisal of each case to determine whether it falls within the terms of the hon. Member's Question. This would involve disproportionate staff time and cost.