Prison staff have reportedly been asked to flag any signs of unrest as delays to prisoner releases raise concerns about tension within jails. The issue matters because disrupted release arrangements could affect prisoners, families and the safe running of already pressured prisons.

The supplied article text contains only an access-denied message, so it provides no further details on the cause or scale of the delays, the prisons involved, or any incidents of disorder. The reported warning appears to be precautionary rather than confirmation that unrest has occurred.