(1) Whether any (a) potentially toxic or (b) radioactive spillage from a burst tailings dam of AngloGold Ashanti in the Stilfontein area was reported to the National Nuclear Regulator on 26 December 2012; if not, why not; if so, what are the relevant details of the spillage; (2) whether any action has been taken against AngloGold Ashanti; if not, what is the position in this regard; if so, what are the relevant details; (3) whether any steps have been taken to ensure that a similar event does not occur again; if not, why not; if so, what are the relevant details; (4) what steps have been taken to remediate the area affected by the spillage?