Jake Manten, NSRI Vaal Dam station commander, said:
At 17h45 on Saturday, 17th August, NSRI Vaal Dam duty crew were activated to reports a man missing in the Vaal River, 35 km from our rescue base in Deneysville.
NSRI Vaal Dam duty crew, the SA Police Services and a Police Dive Unit responded
On arrival on the scene a search for a 30 year old Zimbabwean man commenced but despite an extensive search no sign of the man was found
It is believed the man had slipped and fallen into the river before disappearing.
On Sunday a Police Dive Unit continued in an ongoing search and NSRI Vaal Dam duty crew assisted Police on Sunday morning.
Police and a Police Dive Unit are continuing in an ongoing search operation and investigations into the incident.