Lee Rigby (c) and his killers Michael Adebolajo (l) and Michael Adebowale (r)
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Whole-life sentence appeals begin

24 January 2014 Last updated at 07:17 GMT

Five senior judges are to hear a series of appeals about whether convicted murderers can be imprisoned without the possibility of release.

Whole-life tariffs are currently reserved for exceptionally serious offences - but last year the European Court of Human Rights ruled that prisoners must have the possibility of their sentences being reviewed.

Dominic Casciani reports.