I Intentionally right, Jack. I'd never speak of the UK, or even of Great Britain, as a nation.

So far as I've seen it's only been in England that these tests have revealed unsafe materials have been used, and reports from Scotland are that their tower blocks are safe. I haven't seen anything from Wales or Northern Ireland.
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From tonight's Newsnigh it appears that the officially recognised body supervising the industry in England has been specifically telling builders they should feel free to ignore the official regulations, and use significantly more combustible materials. And the government appears to have been happy for them to do so.

It's vital that the responsibility for this should be recognised as lying at the top. Not just at the top of course, in cabinet offices, but right down to the people installing stuff they knew was dangerous, and the jobsworths in the council.