Several British broadcasters exist,
Newswise (for contemporaneous factual information), you're basically talking BBC (home and/or World services, depending on context, plus non-English variations), ITN (ITV+C4+others) and probably Sky. Listed alphabetically, and with no other implied reason behind that order. The first two sets found in the lower 10 of entirely free-to-air terrestrial channels (scheduled in programmes within 'wider' channels), full 'news channel' versions sit up in the "100+" ranges (including DAB->DVB copy-overs of audio channels). Not sure if the third has representation 'for free', maybe on FreeSat (will try to check that, next time I'm over at somebody's house that uses that, mostly because FreeView-terrestrial is too patchy a signal where they are).
Beyond that, starting with some of these
are in the channel-100+ range (at least listed, if not steady enough to show, if at all, and might even depend where in the UK you are), it's onto:
* whatever newsfeeds get syndicated/Cc:ed by 'local' (non-BBC) radio stations, including direct from AP/Reuters/etc,
* one channel with "News" in its name but a British "Fox" in its heart,
* another with "Talk", about which I know little (I know Jeremy Kyle is on it, so... meh...)
* those that are external in origin:
** France24 (there's English version), like possibly other european ones (Deutsche Welle? RTE?)
** Al Jazeera (fairer than some would make out, last I bothered to check)
** RT (if they're still around, may need to, there being even more obvious issues with their licensing and standards,cbut of course not likely to be useful to count in
this context).
* tabloid and similar newspapery-backed channels (streamed, not broadcast?), on a continuum probably leading all the way down to the level of individual 'citizen journalism', in all types of measure.
Feel free to disregard/refute any facts or opinions I may have voiced, as you wish. I've probably missed some aspect.
...though I'm not sure if this meshes with the "loss of Starlink as an ISP" issue, unless I've misread it and infered a connection to that which wasn't intended.