Officers from special prison service riot units across the country were called in to deal with a riot at Maidstone incident tonight, in a system known as Operation Tornado.
Up to 180 inmates were said to be involved. Iain McBride reports from the scene.
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Police remain at the scene. They say there is no threat to public safety.
Tuesday afternoon's weather for the west of the region
Tuesday afternoon's weather for the east of the region