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Johannesburg - Residents of Ngwathe in the Free State were urged to take precautionary measures as the Vaal River could overflow, the SABC reported on Tuesday.
Ngwathe municipality spokesperson Steve Nale told the public broadcaster an overflow was anticipated as dams were releasing more water into the river.
This was due to heavy rain and flooding in the area.
People in the area were urged to avoid swimming across the river.
Nale told SABC that residents should contact the municipality's fire and rescue department in cases of emergency.