The Prison Service said all its prisons run a "safe and secure regime" after disturbances broke out at two jails yesterday.
A spokeswoman said:
All our prisons run a safe and secure regime and are staffed appropriately.
We are currently introducing reforms to the prison system that will provide better value for taxpayers while protecting the public and improving the chances of prisoners being rehabilitated.
More top news
Weather throws a wobbly as it's seriously disappointing for summer.
The Bank of England governor has suggested there may soon be a cut in interest rates.
The motorist at the wheel of a self-driving car has died after it crashed with a trailer, the first Autopilot death reported in the US.