Health and Safety Executive
ITV News exposes the horrific living conditions in a south London tower block that are branded the worst experts have seen.
Unions say employees' health is being put at risk by staff being told to show up when they don't need to.
He was pronounced dead at the scene.
Dame Judith Hackitt's probe to recommend overhaul of regulations.
One 14-year-old boy remains in hospital.
'Penny pinching stupidity.'