A Downing Street spokesperson affirmed on October 12, 2026, that Prime Minister Andy Burnham fully accepts the 2016 Brexit referendum result as legitimate, despite describing Russian attempts to exploit the referendum as highly probable

From the articlePM believes Brexit vote was legitimate despite Russia claims, No 10 saysAlso in Russia’s attempt to influence Brexit vote failed – but they still tried, Burnham says, How significant are Burnham’s remarks on Kremlin interference in Brexit vote?, UK PM Burnham says Russia interfered in 2016 Brexit vote | Reuters