A four-year-old boy has drowned in a lagoon at Scottburgh Main Beach, KwaZulu-Natal paramedic services said on Friday.Netcare 911 spokesperson Shawn Herbst said the incident took place on Thursday."Reports from the scene indicate that bystanders found a 4-year-old male floating in the water. Lifeguards were alerted who, once on scene, started CPR."He said that paramedics had initiated a full advanced life support resuscitation."Sadly, the patient's condition deteriorated, and he was declared deceased on the scene."On Thursday, a 20-year-old man drowned at the Salt Rock beach, north of Durban, while a 10-year-old girl drowned at a public swimming pool in Westville the day before, on New Year's Day.IPSS spokesperson Paul Herbst on Thursday warned holidaymakers to be cautious when taking to the water this festive season.