Mr Tumble must have been busy.
That's harsh. Krish Guru-Murthy, Julie Etchingham and Chris Rogers have all transitioned from Newsround to mainstream news.
What I've seen of Ricky (admittedly not much) gives me nothing to believe he wouldn't be able to tailor his delivery style to a mainstream audience.
It's worth adding Matthew Price, Lizo Mzimba and Adam Fleming to the roster of Newsround presenters who have gone on to mainstream reporting (in Matthew Price's case, occasional News Channel presenting) and Jake Humphrey who went on to sports presenting.
DE88, Steve in Pudsey and watchingtv gave kudos