HC Deb 19 December 1985 vol 89 c266W
Mr. Proctor

asked the Secretary of State for Northern Ireland what photographic surveillance was used by Her Majesty's security forces for the purpose of estimating the size of the rally which took place in Belfast city centre on Saturday 23 November; and what was the resulting estimate.

Mr. Scott

I shall reply to my hon. Friend as soon as possible.

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