Two men from Wood Green have been killed after an explosion.
A man in his 30s and another in his 40s died after the fire in an industrial site Plumpton Road, Hoddesdon, on Saturday.
Another man, in his 20s, was taken to hospital but has since been released.
A 40-year-old man has been arrested on suspicion of health and safety breaches and manslaughter by gross negligence.
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