The UK's Justice Secretary, David Lammy, has said 12 prisoners have been accidentally released in the past three weeks, two of whom are still at large. It comes on top of the 91 prisoners who were freed by mistake between April and October in England and Wales. But is this normal, or are accidental prisoner releases on the rise? Tap the link in BBCNews's bio to read more about how it can happen. #Prison #UKPolitics #BBCNews