Hewell prison in Redditch has been heavily criticised in a damning report, claiming the environment is dangerous, dirty and drug-ridden.
The report, carried out by the Chief Inspector of Prisons, claims drugs and alcohol are more readily available than cleaning materials.
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Rain slowly clearing to sunshine and showers on Sunday.
Outbreaks of rain will move southwards turning clearer and colder.
Heavy showers with a chance of thunder but clearing this evening with clear spells overnight.