From Johannesburg to Durban, thousands marched across South Africa demanding undocumented migrants leave the country. The nationwide protests followed weeks of demonstrations by citizen-led groups that set an unofficial June 30 deadline for migrants without legal status to depart.

"I hope through these demonstrations our president will hear our cries and enforce stricter laws," said one of the protesters.

"I hope through these demonstrations our president will hear our cries and enforce stricter laws," said one of the protesters.

Thousands of people marched Tuesday in cities across South Africa to demand the departure of undocumented foreign nationals after a weeks-long campaign that has sent thousands fleeing and claimed four…