A leading politician and campaigner to keep Britain in the European Union (EU) told a rally “white men” are a problem and fellow campaigners should focus on women and young people.

The UK will vote on whether it wants to remain or leave the EU for the first time in 40 years June 23. The Labour Party’s shadow Europe Minister embarrassed the “Remain” campaign Wednesday instructing pro-EU supporters to ignore older, white, male voters who are more likely to vote for Brexit. (RELATED: What is Brexit? Everything You Need To Know About Britain’s EU Referendum)

“Speak to your mother, your grandmother. Don’t speak to your grandfather, we know the problem are older white men,” Glass told an audience in Wolverhampton.

A Labour spokesman brushed off the comments as a joke. “It was a light-hearted comment and it was received in that way by the audience,” a spokesman told The Express & Star. “Labour are clearly fighting for every single vote and are of course encouraging everyone to vote to remain on 23 June.”

Glass has already come under fire during the referendum campaign for labelling a voter she met on the campaign a “horrible racist” for raising concerns about EU immigration into Britain.

“The very first person I come to was a horrible racist. I’m never coming back to wherever this is,” Glass told a reporter May 19. Immigration is one of the central issues of the Brexit debate, with Leave campaigners arguing Britain could take back control of its borders and reduce immigration if it left the EU.

With less than three weeks to go until polling day the polls show everything is up for grabs.

Two of the last three opinion polls put the pro-Brexit side ahead by two percentage points. A YouGov poll published Thursday showed both sides neck and neck.

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