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.
Problems of mental illness, drug abuse and educational failure are concentrated and made starkly visible.
John Massey escaped from Pentonville on Wednesday. Credit: Metropolitan Police
Scotland Yard said the convicted murderer John Massey who escaped from Pentonville prison on Wednesday has been arrested this afternoon in Faversham in Kent. Massey escaped by climbing over a wall using sheets tied together to make a rope.