Britain seems to at the head of the movement to implement eugenics in their health care system. They're at the head of a lot of really messed up movements (such are charging and convicting people for making obvious jokes).

I've seen this reported in a few news sources:

Britain’s socialized healthcare system has reportedly been issuing do not resuscitate orders for people with learning disabilities during the Chinese coronavirus pandemic.

This one has been apparently broken by the guardian but I could not find that link. There are lots of other outlets, both on the left and right that are reporting it though.

And I recall a few stories the British Health Care system simply refused to treat certain patients, but ever better, refused to release them. So they basically wanted to keep them so they could watch them die.

https://thenewamerican.com/u-k-denies-treatment-to-baby-won-t-let-parents-take-him-to-u-s/

I just found the link above by casually browsing, but I recall other stories like it. It's like when you go into the British public health care system, they own you and they can chose to end your life if they want.