HC Deb 21 November 1978 vol 958 cc540-1W
Mr. Wigley

asked the Secretary of State for Defence what steps have been taken by the Royal Navy to clear monitoring buoys that have been laid by foreign submarines in the Irish Sea off the coast of Anglesey.

Mr. Duffy

I have no evidence that any monitoring buoys have been laid by foreign submarines in the Irish Sea off the coast of Anglesey.