Criminologist Professor David Wilson said prison guards likely enacted Operation Tornado to bring the latest riot under control.
It is a proven method using specialist officers that has been used many times before, he said.
"These are very well-tested systems and so it will be about trying to bring order back to HMP Maidstone. In these situations it's usually a question of being some particular incident that ignites the prisoners who want to take this kind of action and sometimes that action gets out of control."
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Windsor-based Centrica, the parent company of British Gas, is cutting six thousand jobs.
Thursday afternoon's weather for the east of the region
Thursday afternoon's weather for the west of the region