A third man has been arrested on suspicion of gross negligence manslaughter after the deaths of two teenagers at a holiday park in East Yorkshire.
Ethan Slater, 17, and Cherish Bean, 15, from Sheffield, died at Little Eden Holiday Park, near Bridlington, on Wednesday.
Humberside Police said their deaths were thought to be connected to carbon monoxide poisoning.
Two men, aged 33 and 42, who were earlier arrested on suspicion of gross negligence manslaughter, have since been released on conditional bail.