HC Deb 04 June 1957 vol 571 c77W
62. Mr. Hamilton

asked the Prime Minister how many megaton nuclear explosions have been recorded by the United Kingdom as having taken place since the issue of the Medical Research Council's report in late 1955; and what was the comparable figure recorded in a similar period of time prior to the issue of that report.

The Prime Minister

It would not he in the public interest to give this information.