Peter Luff MP has called the riot experience days that are available in Worcester, unacceptable.
He has called for it to be banned.
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Specially-trained prison security teams have been sent to HMP Hewell near Redditch, after trouble broke out on one of the prison's wings.
Scattered showers will develop through the late morning with some heavy, perhaps thundery downpours.
It will be a largely dry start to Sunday with some sunshine but showers to develop.