Whether he has been informed that members of Operation Dudula have been protesting and chasing away immigrants from outside and within health facilities in Johannesburg, resulting in the specified individuals being denied the provision of healthcare and increasing the risk of xenophobic violence in healthcare practices; if not, why not; if so, what are the relevant details of the steps that have been taken to uphold (a) the Constitution of the Republic of South Africa, 1996, as well as (b)(i) domestic and (ii) international legal obligations, which ensure the right to health for all?