DIEPSLOOT, SOUTH AFRICA — The brutal apartheid ... One mob leader walked into the clinic and ordered all the street vendors, who tend to be from Zimbabwe or Mozambique, to stand up.

Another street vendor, also a Zimbabwean - Mohazad Gama ... A terrified Somalian, Addis Mohamed, implored Diepsloot residents to understand that migrants were in South Africa to make a living.