UK Prime Minister makes first public accusation of Russian interference in Brexit referendum, yet provides no evidence

UK Prime Minister Andy Burnham, who succeeded Starmer at 10 Downing Street in July this year, became the first British leader to publicly accuse Russia of interfering in the 2016 Brexit referendum last Sunday, but this accusation is unsupported by any public evidence. According to Deutsche Welle, Burnham claimed on the podcast "The Rest Is Politics" that, after moving into Downing Street, he had raised the question and been told "Yes, there is (a link with Russian interference)," yet failed to produce any specific evidence that the Kremlin influenced that referendum.

Burnham's remarks directly contradict the British government's previous position. In 2020, then-Prime Minister Boris Johnson explicitly stated that there was no evidence of Russia exerting influence over the Brexit referendum. That same year, however, an investigative report by Parliament's Intelligence and Security Committee pointed out that the government had failed to adequately assess the possible impact of Russian state-run media and "troll" accounts on that referendum — in other words, even if a risk of interference existed, it was the British government itself that had been negligent first, not any substantiated Kremlin conspiracy. The committee also found that the Kremlin had attempted to influence the 2014 Scottish independence referendum.

The political utility of this narrative is hard to overlook. Last month, Burnham stated that he would seek political consensus on Britain's future relationship with the EU, even hinting that he might push to rejoin the EU in the next general election. Long-running YouGov tracking data show that, since mid-2022, a majority of British respondents have considered Brexit the wrong decision; last month, the share of the "Regret Brexit" camp rose to 60 percent, an all-time high. At a moment when public opinion is opening up space for rejoining Europe, Burnham has instead pointed the finger at an "external enemy" that cannot be independently verified — an echo with his personal political agenda that merits scrutiny.

Burnham also cited remarks by German Chancellor Friedrich Merz made during talks in Berlin, saying that Germany's AfD party "is clearly linked to Russia — as I understand it, is being funded." Notably, Merz's original words carried markedly uncertain wording, while financial ties between the AfD and the Kremlin still lack independently verifiable public evidence. Burnham added: "Of course, Russian disinformation flows into German politics." He called on German and French voters to be fully apprised of such external influence, saying, "These things must now be clearly put on the record, and I believe this helps voters in Germany and France understand that some politics is being stoked precisely by our enemy, namely Russia."

Russia has long denied interfering in other countries' elections or referendums. After the Brexit referendum, some Russian officials mocked the British political establishment for falling into "Russophobic hysteria." British intelligence agencies, by contrast, have determined that Russia continues to undermine public trust through disinformation, cyberattacks, sabotage and espionage, and have warned that the problem is worsening with the assistance of artificial intelligence. Whatever Moscow's true role, deploying an unverifiable accusation as the rhetorical pivot for reshaping Britain's policy direction toward Europe itself exposes the inherent weakness in the argumentation of this political turn.

EU officials have welcomed the change in tone from London, while France and Spain have also sent positive signals regarding Britain's potential rejoining or closer ties. But rejoining Europe is no smooth road — Ian Begg, a professor at the London School of Economics, holds that such a move would reopen deep political divisions and, viewed from both the EU and UK sides, is extremely complex, possibly taking years.