Four people are currently trapped in a small motorboat on Grootdraai Dam, the incident was reported at around 19:15 tonight (December 29).

According to eyewitnesses, the four people were seen clinging to the boat, trying to keep it from flowing overboard.

A massive rescue effort is underway to try to rescue the people before the boat tips over the edge.

Delta 1 Rescue, Kasselman Security Services and AfriForum Buurtwag are on the scene.

These role players urged the community to not interfere with rescue efforts as the situation could escalate, causing the four distressed people to fall into the dam.

At this stage, no further information is available.

UPDATE at 21:40:  In an effort to divert the water flow and save four people trapped on a motorboat on Grootdraai Dam, three sluice gates will be opened to 1.5m tonight.

Rescue workers warned campers to evacuate the area because of potential flooding when the gates are opened.

Teams have just been sent out to evacuate campers from the flood line.

Rescue efforts continue and updates will be given as new information is made available.

UPDATE at 22:58: The four people stuck on a motorboat at Grootdraai Dam were rescued at 22:09 tonight (29 December).

Although their boat remained on the dam wall, all four people are safe and unharmed.

The National Sea Rescue Institute (NSRI), Kasselman Security Services (KSS), Delta 1 Rescue Diving and AfriForum Buurtwag worked together in this rescuing effort.