(1) Whether, with reference to the explosion on 24 February 2008 at the Assmang Manganese Company in KwaZulu-Natal, his department has conducted any investigations into this incident; if not, why not; if so, (2) whether these investigations have been completed; if not, when will it be completed; if so, what are the relevant details; (3) whether a formal inquiry (a) is being conducted or (b) has been completed; if not, (i) why not and (ii) when will it be completed; if so, (aa) what was the outcome of such inquiry and (bb) what action (aaa) has been or (bbb) will be taken against any persons or entities who were found to have been negligent?