I downloaded the Linux Mint Hypnotix Free-IPTV app from Github and installed it on my KDE Neon install! It works fine and now I can watch BBC news on my PC, as well as many other channels. It would be nice to have a native KDE app though!
https://github.com/linuxmint/hypnotix/releases
https://github.com/linuxmint/hypnotix/releases