Labour MPs have publicly thrown their weight behind Rachel Reeves ’s budget after she abolished the two-child benefit cap and unveiled a slate of progressive measures, including a mansion tax.

Backbenchers rallied round the prime minister and chancellor on Wednesday afternoon after Keir Starmer hailed the measures being announced as “a Labour budget with Labour values”.

The decision to entirely scrap the two-child limit , which prevents parents from claiming child tax credit or universal credit for more than two children, was openly celebrated by dozens of Labour MPs who have been publicly and privately pushing for the measure. It will cost £3bn at the end of this parliament.

In a joint statement Helen Hayes and Debbie Abrahams, the chairs of the education and work and pensions se

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