yep, I literally got married on the 18th and tier 4 was brought in on the 19th. Much of the rest of the country was in tier 3 and the xmas days were rolled back from 5 to 1 with only xmas day itself permitted, only in lower tier areas and with more restrictions.
Little weird to be getting to -1 downvotes for something that's a google away...
London and the SE is where the new highly infectious strain originated from and was more or less entirely locked down. Big chunk of population here too...
