Thousands Flee South Africa as Anti-Immigrant Attacks Grow A threat to all undocumented foreigners to leave the country by Tuesday

A street corner in the South African coastal city of Durban has become a bustling scene of desperation. Thousands of migrants crowd around colorful plastic sacks, boxes and trash bags carrying what belongings they could salvage before fleeing the country. Women tuck their babies under blankets. Vendors hawk solar-powered cellphone chargers and potato chips. Portable toilets, large green water tanks and makeshift showers fashioned from gray tarps are the only sanitation available. The people in this encampment, like the handful that have popped up around the country, have been stuck out here for days, sometimes weeks, after anti-immigration activists called...