Hundreds of people are expected to turn out at a public rally calling for the immediate reinstatement of tax credits.
HMRC contracted American company Concentrix to re-assess the entitlements of those receiving tax credits.
However, apparent failures in the process has led to thousands of people missing out on payments.
In many cases residents have fallen weeks behind on rent and have been forced to turn to food banks.
Dove House manager Bronach McMonagle, says the organisation has received dozens of calls from people in distress:
A public rally will be held in Guildhall Square at 1pm this afternoon.
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