300 inmates on restricted regimes across prison system

According to Justice Minister Frances Fitzgerald, the numbers at Mountjoy account for almost a third of the 300 prisoners on lockdown across the prison system.
The figures show the vast majority of prisoners on lockdown in Mountjoy are on a 19-hour restricted programme, with 83 under that regime, a further five on lockdown for 21 hours, and three on a 23-hour lockdown regime.