A 40-year-old man has suffered serious burns after a bonfire went out of control.
He was taken to Leeds General Infirmary with 60% burns to his body.
A second man, 37, suffered superficial injuries to his hands as he rescued his friend from the flames.
The accident took place at around 2300 BST on Saturday in Raynville Crescent, Bramley, Leeds.
An investigation is under way, but the incident is not being treated as suspicious.