Britain's largest prisons union, the Prison Officers Association (POA), directed its members to take part in the action over what it described as the "volatile and dangerous state of prisons".
Lielbritānijas lielākā cietumu darbinieku arodbiedrība - Cietumu darbinieku asociācija (POA) - protestē pret "cietumu nestabilo un bīstamo stāvokli".