Charlie Brooker couldn't help but get involved in the Twitter chat after remarkable allegations that David Cameron once "put his private parts in a dead pig's mouth" emerged last night.

You may remember that Brooker's Channel 4 anthology drama Black Mirror featured an episode titled 'The National Anthem', in which the Prime Minister (Rory Kinnear) had sex with a pig on live TV in order to free a princess from a supposed terrorist.

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While there was apparently no princess involved in this alleged real world story from former Tory treasurer Lord Ashcroft, it's hard to avoid the obvious similarities.

"Shit. Turns out Black Mirror is a documentary series," Brooker tweeted, before adding: "Bet this means he really is a lizard too. I hope Jeremy Corbyn is going to read out questions from members of the public again this Wednesday."

He then went on to post a few screenshots from the script, while also denying any suggestion that he may have had some kind of prior knowledge of the alleged pig incident.

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Lord Ashcroft says that his source told him the pig incident occurred during an initiation process at Oxford University, but Number 10 says it "does not recognise" the accusations.

The allegations were made in the unauthorised biography Call Me Dave by Lord Ashcroft and Isabel Oakeshott, as serialised in the Daily Mail.

We'll leave you with this: