rachel reeves
Government says average loss per person will be £1,700.
Experts say economic growth will be half what was previously expected this year.
It has dropped from 3% in January to 2.8% in February.
The move will spark more fury among Labour MPs and disability campaigners.
The chancellor will say "the world is changing before our eyes" as she delivers make-or-break Spring Statement.
The chancellor will say "the world has changed" since last autumn's Budget as she unveils deep cuts to public spending.
"I personally don't think it's appropriate," Matthew Pennycook said.
The Tories are insisting the annual financial event will be different this time around.
Heidi Alexander was told Rachel Reeves is "about to make poor people poorer".
Rachel Reeves has confirmed she wants to reduce government running costs by 15%.