At its 1689th meeting, on 31 January 1973, the Council decided to invite the representative of Cuba to participate, without vote, in the discussion of the question. A,t its 1690th meeting, on 1 February 1973, the Council decided to invite the ,representatives of Cameroon and Guyana to participate, without vote, in the disoussion of the question. Resolution 326 (1973) of 2 February 1973 The Security CoWlcil, Taking note of the letter dated 24 January 1973 from the Permanent Representative of Zambia to the United Nations (S/10865), and having heard the statement made by the Permanent Representative of Zambia concerning recent acts of provocation against Zambia by ,the illegal regime in Salisbury,12 Gravely concerned at the situation created by the provocative and aggressive acts committed by the illegal regime in Southern Rhodesia against the security and economy of Zambia, Reaffirming the inalienable right of the people of Southern Rhodesia (Zimbabwe) to self-determination and independence in accordance with General. Assembly resolution 1514 (XV) of 14 December 1960, and the legitimacy of 'their struggle to secure the enjoyment of such rights, as set forth in the Charter of the United Nations, Recalling its resolution 232 (1966) of 16 December 1966, in which it determined that the situation in Southern Rhodesia constituted a threat to international peace and security, Convinced that the recent provocative and aggressive acts perpetrated by the illegal regime against Zambia aggravate the situation, Deeply concerned that measures approved by the Council have failed