Evidence of foreign interference justifies a new referendum on UK–EU membership

The political and economic process by which European countries pool policy-making through the European Union, including treaty reform, enlargement, the single market, common budgets and shared foreign, security and defence policy.

Andy Burnham said Russia interfered in the 2016 Brexit referendum, departing from previous British government statements. He disclosed neither the methods nor supporting evidence. His office subsequently clarified that there was no evidence Russia had changed the result and maintained that the referendum was legitimate.