She will say: "I’m backing those that want a more secure and full life. I’m backing those whose only wish is that their children will do better than themselves.

“And to those that look to their government and their politicians for a little help and support, I’m backing you too.

“Because too often in the past, ordinary working people have found the help and support they need just isn’t there.

“And I know that sense of disenchantment is particularly acute here in Wales.

“We saw that when people here in Wrexham and across Wales chose to ignore the hysterical warnings of Labour, Plaid Cymru and Liberal Democrat politicians in Cardiff Bay, and voted to leave the EU.

“We see it now in the way those same politicians refuse to respect that vote as they try to find new ways to put obstacles in our way.

“And the cause of that emerging gulf is clear. It is because the Labour Party has taken people in Wales for granted for decades - just as it has in other communities across Britain.”