A report by the Centre for Social Justice says the arrests of more than 200 leaders of London street gangs in the wake of last year's riots has led to an increase in chaos, violence and anarchy in the capital.
It says the removal of 'elders' from the streets backfired because it created a power vacuum in which younger and more hot-headed members seized control of gangs.
Almost one in eight prisoners have illegal drugs in their system and another one in five are taking methadone, a jail watchdog has said.
Life behind bars for the 1,260 inmates at Pentonville Prison is "a microcosm of society outside", David Miller, chairman of the Victorian-era jail's independent monitoring board (IMB) said.
– David MillerProblems of mental illness, drug abuse and educational failure are concentrated and made starkly visible.
Prison monitors have criticised overcrowding and a lack of purposeful activity for inmates at HMP Pentonville in north London.
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