Chatting to my family member who works at News UK there. This will probably come to nothing but the gossip seems to be that The Sun is genuinely on the brink - above and beyond all other nationals. It’s already been unprofitable for years, their audience don’t like to read their (ahem…) ‘news’ online, so their digital ad revenue is next to nothing and a full digital switch is out of the question. Sales fall due to Covid-19 is thought to be the straw that breaks the camel’s back. 
Also, The Times’ COO routinely refers to the British press as ‘the fourth emergency service’. 