POLICE attended an incident in which two caravans were ablaze in Newton St, Seaspray.
It is believed the fire started in one caravan and quickly spread to another, destroying both.
A 50-year-old resident of one of the caravans escaped and was treated for smoke inhalation.
The fire was extinguished and has been deemed non-suspicious.
The ABC reported nearby residents heard explosions about 10.30am.
CFA declined to comment, saying it was a police matter.
Police are calling for witnesses, and those with information should phone Sale police station on 5142 2200 or Crime Stoppers.