by the United Nations, United Nations Security Council Resolution 146
“ Calls upon the Government of Belgium to withdraw immediately its troops from the province of Katanga under speedy modalities determined by the Secretary-General and to assist in every possible way the implementation of the Council's resolutions;3. Declares that the entry of the United Nations Force into the province of Katanga is necessary for the full implementation of the present resolution;4. Reaffirms that the United Nations Force in the Congo will not be a party to or in any way intervene in or be used to influence the outcome of any internal conflict, constitutional or otherwise ”
