by Newsbreak Producer, Taliesha Naidoo - As South Africans head to the coastline this festive season, lifesavers are raising the alarm about one of the ocean's most dangerous and misunderstood threats - rip currents. Often invisible to the untrained eye, rip currents can pull even strong swimmers away from shore in seconds, and are responsible for the majority of beach rescues and drownings nationwide. On today's Beach Buzz, we speak to Lifesaving South Africa's Director of Media - Dhaya Sewduth - about how to spot a rip current, and what to do if find yourself caught in one.....