Tory ministers have been told to "get a grip" after leaving claimants to wait months for disability payments in a benefits row.
One Universal Credit claimant is owed nearly £1,000 while another has been waiting nine months, MPs heard today.
The row involves 13,000 disabled people who lost 'Severe Disability Premiums' when they moved to Universal Credit.
The government is offering them transition cash and a one-off "back payment" after accepting many of them lost out.
Yet months after the last claimants moved to UC in January, the Department for Work and Pensions (DWP) still hasn't coughed up that extra money.
Instead, it is on hold because the cash is tied up with wider UC regulations that haven't passed into law.
And the claimants could now face yet another delay DWP: 13,000 disabled people could get more Universal Credit in High Court victory
A judge last week backed two claimants who argued the back payments, worth just £80 per month, "short-changed" them by around £100.
DWP: 13,000 disabled people could get more Universal Credit in High Court victory


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Despite the long delay so far, Tory Justin Tomlinson today said the DWP has not yet decided whether to appeal the High Court case or cough up the money, or how.
The Minister for Disabled People told MPs: "We will be considering all options in light of the judgement and we will update the House in due course".
Labour MP Vicky Foxcroft said a constituent had now been without his back payments for nine months.
She said: "In March I raised with the minister the case of a constituent with a severe brain injury.
"[He] applied to Universal Credit in August 2018 and immediately lost his Severe Disability Premium.
"The minister requested that I write to him. As yet I have received no response.
"My constituent has now been without SDP for almost nine months. This vulnerable individual needs action. will the minister get a grip of this?"
Mr Tomlinson replied: "I apologise that I haven't seen sight of that yet.
"I will make sure as a matter of urgency that I do and I will respond personally."
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Labour MP Ruth George said one of her constituents is now owed almost £1,000 by the DWP.
She said he was "building up rent arrears and in danger of eviction".
Shadow Work and Pensions Secretary Margaret Greenwood said: "These are people who by definition are already having to cope with some of the most severe medical conditions and with disabilities.
"They should not have to fight through the court for the support they should be entitled to. They deserve better."
Mr Tomlinson said the Government "haven't taken any money out of the system", prompting groans from some MPs.
He said around one million disabled households are receiving "on average around £100 a month more on Universal Credit than they would have had on legacy benefits".
But Plaid Cymru MP Hywel Williams claimed the department was "robbing Peter to pay Paul".