Point Edward Fire and Rescue were called to an early morning fire Tuesday.
Firefighters along with Lambton OPP responded to a blaze at about 5:30 a.m. in the area of Exmouth Street and Harbour Road.
When crews arrived on scene, they located a temporary shelter on a private property on fire.
In a post to social media, Point Edward Fire and Rescue said the occupants did not know how the fire started.
No injuries were reported.