A suspicious fire in a Fyshwick caravan was put out by ACT Fire & Rescue late on Sunday night.
The fire was reported at about 8.21pm by a patron of the Canberra South Motor Park in Fyshwick.
The occupant had left before emergency services arrived.
Two pumpers, the Breathing Apparatus Van and a commander attended the fire, which was put out quickly.
The fire is considered suspicious and has been turned over to police.
A unit fire in Belconnen on Sunday morning is also being investigated by police.