The cause of a fire on Argyle Rd. in Windsor is now listed as accidental.
Fire broke out around 6am on Saturday at 1264 Aryle Rd. in one of six units in a complex style row.
40 firefighters were needed to battle the blaze and an aerial unit was brought in because of extreme heat and zero visibility.
The complex was evacuated as the fire spread through a common attic.
No injuries are reported and damage is estimated at $1.7 million for structure and contents.
— with files from AM80's Zander Broeckel & Rob Hindi