Thousands of Malawians were awaiting clearance in makeshift encampments in South Africa Friday as tension mounted before an unofficial June 30 ultimatum for undocumented migrants to leave the country.

A fake South Africa migrant deadline ordering foreigners to leave by June 30 is spreading panic; the government says the AI-made notice is false.

Thousands of African migrants are continuing to leave South Africa as a wave of anti-immigration protests, violent incidents and political pressure...