Crews used breathing apparatus, hose reels and a thermal imaging camera to tackle the fire, which is thought to have started in the communal hallway.

BBC: Gwynedd fire crews rescue seven from Barmouth flat fire

We hooked a breathing tube up to a hose from a ventilator and set it to give him fourteen forced breaths of a hundred-per-cent oxygen every minute.

NEWYORKER: The Checklist