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 11 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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Hollywood actor Mickey Rourke made a return to the boxing ring today aged 62, defeating an opponent less than half his age.
Poland has warned the UK that it will block any plans to discriminate between British and EU citizens.
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