Peter McParlin, chairman of the Prison Officers Association has said that the Ministry of Justice (MoJ) should not have allowed their response to an alleged violent jail incident involving Woolwich murder suspect Michael Adebolajo to "run on for two days".
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Muslim leaders condemned the "heinous and appalling" Westminster terror attack.
Travis Frain is recovering in hospital and has posted a photo to Twitter of Prince Charles by his bedside.
Acting Commissioner Craig Mackey led new policemen and women in paying their respects at a passing-out parade in Hendon, north-west London.