Penny Mordaunt warned Tory MPs against a lurch to the right or left in the lead up to the general election, claiming that a Labour victory is "not inevitable".
Speaking at a fundraiser at the RAF club, she said: "You can’t salami-slice Conservatism. If we do that, we lose our the power of our offer.
"A Labour win at the General Election is not inevitable. It is not.
“A Conservative win at the General Election is not impossible.
Penny Mordaunt warned Tory MPs against a lurch to the right or left in the lead up to the general election, claiming that a Labour victory is "not inevitable"
PA
"But right now few can imagine it...
"It is sometimes the people who no one imagines anything of that do the things no one can imagine…"
The Conservative Party had a bruising few days last week, suffering a wipeout at the local elections.
The party lost more than 450 council seats of the 1,000 they were defending across England.
The Labour Party won contests in newly created mayoralties in York and North Yorkshire, the East Midlands and the North East, as well as ousting Tory West Midlands Mayor Andy Street.
It also gained nine police and crime commissioner posts from the Tories, including in Cumbria, Avon and Somerset, and Norfolk.
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The Conservative Party had a bruising few days last week, suffering a wipeout at the local elections
PA
Sunak claimed the outcome of the local elections mean the Tory party is heading for a hung parliament.
He said: "These results suggest we are heading for a hung parliament with Labour as the largest party.
"Keir Starmer propped up in Downing Street by the SNP, Liberal Democrats and the Greens would be a disaster for Britain.
"The country doesn't need more political horse-trading, but action. We are the only party that has a plan to deliver on the priorities of the people."