A wave of anti-migrant unrest in South Africa has sent foreigners fleeing and drawn angry responses from Ghana and Kenya, straining ties across Africa.

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.

Thousands of migrants are fleeing South Africa after weeks of anti-foreigner violence culminated in chaotic protests across the country, forcing families to abandon their homes,…