South African authorities have increased security measures in Johannesburg and Durban following a second day of violent protests targeting foreign nationals. Demonstrators have been involved in arson, attacking individuals perceived as foreign, and looting businesses. Police responded to the unrest with tear gas and stun grenades to disperse protesters and restore order. The protests reflect rising tensions related to immigration within South Africa. These incidents have raised concerns about xenophobia and the safety of immigrants in the affected areas. Authorities are working to quell the violence and prevent further escalation of the situation in Johannesburg and Durban. The situation remains volatile as investigations continue and increased security presence is maintained.