Super Prison's Opening Was 'Unsafe' and Empty Cells Continue Due to 'Staff Shortages'

Inside Yorkshire’s HMP Millsike ‘super prison’ as report warns of chaos

The HMP Millsike super-prison, which opened last April, was hailed as a state-of-the-art facility capable of housing up to 1,500 prisoners.

New prison in East Yorkshire unsafe when it opened, says report

Mitie, which runs HMP Millsike, says the inspection report is not "a fair or accurate reflection".

Super prison's opening was 'unsafe' and empty cells continue due to 'staff shortages'

Some 18 months after opening, HMP Millsike continues to have hundreds of empty cells with inspectors saying it is unsafe to ramp up capacity further.

UK’s newest prison unsafe and understaffed upon opening, damning inspection finds

Opening of HMP Millsike in April 2025 was ‘chaotic’ with basic processes, such as locking doors and counting prisoners, not being followed