Organisers, Rising Tide, said the weekend protests, in which flotillas of kayaks entered shipping channels, had forced two coal ships to turn around instead of entering the port.
Members of Parliament (MPs) took the opportunity to grill alleged underworld crime boss Vusimuzi 'Cat' Matlala, as well as SAPS Lieutenant General Puleng Dimpane.
The number of undocumented migrants in Chile has exploded in recent years, rising from an estimated 10,000 in 2018 to around 330,000 by 2024, according to Chile's National Migration Service.