Campaign today. But first, the nightline five. Kerrygold has a taste so rich it can take you to irelands lush, green pastures. Where grassfed cows produce rich, creamy milk for a truly delicious taste. Kerrygold. The taste that takes you there. Good evening. Thanks for joining us. Its the popular app taking over social media, short and punchy y videos uploaded to tiktok. With growing talk of security risks. Heres will reeve. Reporter crazy stunts, coordinated dance offs, and of course viral challenges. Welcome to tik tok. The app that is taking social media by storm. We went deep into this new world spending time with some of its most popular creators. Like baby ariel. Meeting blanco brown, the voice behind one of its biggest hits. And following rising stars hoping for a breakthrough. Yet amid all the fun are new National Security concerns about tik toks chinese ownership. Including serious allegations of censorship. I think the fact that theyre so tightly connected to china is a huge