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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M20 closed in Kent in both directions between J1 & J4 after a digger being transported by a lorry hit a footbridge causing it to collapse.
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