http://www.bbc.co.uk/news/uk-politics-25421086
The BBC report new legislation is being rushed through Parliament today and tomorrow to restrict benefits rights to EU citizens.
The impact on HB (and potentially CTRS ) is as yet unclear.
EDIT: see news release from DWP issued 31 December 2013
https://www.gov.uk/government/news/tough-new-migrant-benefit-rules-come-into-force-tomorrow