DURBAN, South Africa (AFP) — Thousands of people marched across South Africa on Tuesday to demand the departure of undocumented foreign nationals after a weeks-long campaign that has sent thousands fleeing and claimed four lives.

Police were out in force for nationwide protests which capped demonstrations led by citizen-led groups who set an unofficial June 30 deadline for foreigners without papers to leave.

There were isolated incidents, including stone-throwing and confrontations near Johannesburg where security forces escorted some foreign nationals away from a mob.