Guy Verhofstadt said it “should come as a significant warning for our democracy”
Guy Verhofstadt said it “should come as a significant warning for our democracy”

Ministers were urged today to make a Commons statement on claims that millions of people’s private data was hijacked to sway the Brexit referendum.

Former Cabinet minister Sir Ed Davey asked Speaker John Bercow to grant an urgent question to MPs over claims the data was used to bombard individuals with propaganda.

“We need to know how many people may have had their data breached, and whether it was used in any referendum or election campaign without their knowledge,” said Mr Davey, the Liberal Democrat home affairs spokesman.

One of the leaders of the 2016 campaign to stay in the EU today backed calls for a probe. Lord Cooper, who directed polling for the Remain side, said: “There are fundamental issues here about how the…