Police officers stand guard in front of a shop as members of the South African anti-migrant group (not pictured), operating under the slogan "Put South Africa First", take part in a peaceful campaign to force undocumented foreigners out of informal trading at Johannesburg's Hillbrow, an inner city suburb with a large population of African migrants, in Johannesburg, South Africa February 19, 2022. REUTERS/Siphiwe Sibeko