Keir Starmer is frantically trying to suppress an uprising of the reforms of the benefits today after the announcement was delayed.
Measures to reduce £ 5 billion of the spiral -shaped welfare account were expected yesterday, but confronted with a furious return.
Work and pensions Secretary Liz Kendall is now ready to reveal the plans early next week, with a major operation to win skeptics.
Labor Parliament members are invited to Downing Street for 'round table' sessions that explain the changes -including the tightening of rules for benefits of illness and disabled people and favoring people who lose jobs over long -term claimants.
But ministers are confronted with new resistance from trade unions, with the head of the TUC Paul Nowak warns against a return to 'Tory -Ouberliness'.
“Pushing disabled people into hardships with cuts to support, will only make the current challenges worse – and will not gain public support,” he said.
Sir Keir was confronted with grumbling during a meeting of the parliamentary Labor party on Monday evening, because he claimed that British were encouraged not to work.

Keir Starmer is frantically trying to suppress a rebellion of the reforms of the benefits today after the announcement was delayed
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There are fears that will oppose dozens of MPs against the reforms, including imposing more difficult circumstances for handouts of diseases and prioritizing support for those who have paid in the system.
Although the vast majority of the government means that Sir Keir can force through measures, a large rebellion would still be harmful.
Some opponents urge the Chancellor to change its 'tax rules' to allow more borrowing instead of reducing well -being.
One parliamentary member told PlayBook that the government was 'sleeping walk in a winter fuel surcharge, part two'.
They added: “They think that people will welcome a harsh action against so -called benefit scroungers, but instead people will not look friendly at vulnerable people with disabilities who have cut their benefits during a crisis of the costs of life.”
Rachel Reeves wants to cut £ 5 billion from the benefit account to help the books in the spring statement balance later this month.
Ministers also look at reforms in the longer term that are designed to curb a bill for health and the disabled, prediction that he will reach £ 100 billion a year by the end of the decade.
The prime minister in addressing Labor MPs behind closed doors, the prime minister said that the government was in a 'worst of all world situation' with the 'wrong stimuli'.
He said that one in eight young people was not in education, work or training now, and added: 'That is untenable, it cannot be defended and it is unfair, people feel that in their bones.
'It takes contrary to those deep British values that if you can work, you should. And if you want to work, the government must support you, not stop you. '
Sir Keir told his MPs that the voters want the status quo to be challenged 'because he promised to be' ruthless and daring 'in spending reforms.

Ministers are confronted with new resistance from trade unions, with the head of the TUC Paul Nowak warns against a return to 'Tory -Ouberlorie'