Prisoners in England and Wales could earn early release under Texas-style shakeup / Scenes of celebration as prisoners released early in England and Wales / 'Hundreds' of prisoners freed early in England and Wales not fitted with tags / Overcrowded UK jails free thousands of prisoners despite warning / Prisoners rejoice as they walk free from prison under Labour's early release scheme / British prisoners could be sent to Estonian jails in bid to ease overcrowding / Inside abandoned Brit island colony built by rebel prisoners who became subjects of sick experiments & cruel punishments / About 5,500 prisoners to be released early in England and Wales / UK prisoners 'pose bare-chested for pictures online' as prison launches probe / 'Rowdy' prisoners and concerns over exam appeals