Tenants with one spare bedroom have had a payment reduction of 14% and those deemed to have two or more spare a reduction of 25%.
Lawyers for the 10 cases say that, unless the families move from their homes into smaller properties, they face building up rent arrears and being forced out any way.
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Roger Daltrey has confirmed his band will and promised to close the festival "with a bang".
On Thursday the Scottish people are expected to signal Labour’s demise north of the border and herald in an army of SNP MPs.