There’s a growing concern from experts over the inaction and silence by the African Union on the escalating anti-immigrant mobilisation in South Africa.

Anti-immigrant protesters in South Africa took the streets on Tuesday - the unofficial deadline set by citizen-led groups for undocumented foreigners to leave the country.

South African police deployed to head off unrest and protests on Tuesday, the unofficial deadline set by anti-immigrant groups for undocumented foreign nationals to leave that has…