Loud bangs heard as riot staff enter jail
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Phone footage captured the moment riot officers entered prison wing to regain control from inmates.

Mobile phone footage has captured the moment riot-trained officers marched into a prison wing as loud bangs were heard.

Specially-trained staff were called to HMP The Mount in Hertfordshire twice in two days after inmates took control of a wing at the category C male prison near Hemel Hempstead.

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