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Benefit changes 'causing chaos and saving no money'

1 July 2013 Last updated at 15:26 BST

Rent arrears are soaring in many areas and some properties are being left empty because tenants cannot afford to move in as a result of cuts to housing benefit, the National Housing Federation says.

The body, which represents housing associations, says the so-called "bedroom tax" is leading to a surge in rent arrears and more empty homes.

Michael Buchanan reports.