A surfer has saved the lives of three children and a father from drowing in two separate incidents in Victoria. Ben Roberts rescued the two different families almost 24 hours apart off Barwon Heads when happened to be passing by at Thirteenth Beach. Today, Mr Roberts noticed a man and his son struggling in hot, difficult conditions. READ MORE: Ben Roberts has been hailed a hero after rescuing multiple people in two separate incidents less than 24 hours apart.(Nine) "There was a son and a dad, they were pretty groggy ... swallowed a lot of water, in and out consciousness," he said.