Boris Johnson and Nigel Farage mocked in anti-Brexit film beamed onto Big Ben clock tower

Protest group Led By Donkeys compiled a series of claims made by the Leave campaign in the run-up to the Brexit referendum in 2016. (Twitter)

An anti-Brexit campaign group has beamed a pro-remain film onto the Elizabeth Tower in Westminster, shortly after Britain officially left the EU.

Protest group Led By Donkeys compiled a series of claims made by the Leave campaign in the run-up to the Brexit referendum in 2016.

It followed a crowdfunding attempt to get Big Ben to bong in celebration of Brexit - a campaign that ultimately failed.

Clips of Boris Johnson, prior to the referendum, saying he was in favour of the single market and wants to “be friends with European partners” were shown.

This was followed by news reports of the infamous Boris bus, which displayed claims on the side that voting leave would mean £350 million a week would go to the NHS.

The footage was played as hundreds gathered around Westminster to celebrate Brexit, singing patriotic songs and cheering speeches from leading Brexiteers, including Nigel Farage.

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Another clip, in the same compilation, beamed onto Big Ben was images of racist graffiti saying 'dirty polish' and 'Ukip' near the war memorial in Guildhall Square.

They posted a video of the stunt on Twitter with the caption: “ Hey @BorisJohnson and @Nigel_Farage, we just made Big Ben bong for you😉. Sound on.”

The video was beamed onto the Elizabeth Tower. (Twitter)

Early on Friday morning, the group beamed a video of two World War Two veterans on the White Cliffs of Dover, with them appealing to “look after our star”.

The short video of Sidney ‘Sid’ Daw and Stephen Goodall lamented the UK’s imminent departure from the Union in an emotional video.

In the tribute, Goodall, 97, said: “I feel really depressed at the idea that we are leaving Europe because it has meant so much to me.

“I like to be called a European. And the feeling that one has of comradeship as one goes round Europe is really quite something.”

Daw, 95, said: “I feel very, very sad about it all because we don’t know which way things are going.”

The video featured a series of interviews with Boris Johnson and Nigel Farage in the run-up to Brexit. (Twitter)

Ben Stewart, 45, one of the organisers from Led By Donkeys, told the PA news agency that the group wanted to do something to mark the day.

He said: “It was a real honour to put their words up there.