Attempts to stop prison drone drug deliveries hampered by crumbling Victorian walls

Weak and crumbling walls in Victorian prisons are hampering attempts to halt drones from delivering drugs and weapons to inmates. Plans to install tougher netting and window grilles to stop drones from entering have been hampered because the walls have been unable to take the extra weight, prison governors said. Recent attempts to fix anti-drone netting at HMP Pentonville, the Victorian prison in north London, were stalled after they found that the bricks were too soft, sources have said. …