A commercial fire in Thamesville caused $200,000 in damage.
Chatham-Kent fire crews responded to the blaze at a commercial building on London Road around 10:30 p.m. Thursday.
Officials called for backup with aerial trucks and the roof of the building collapsed.
Some firefighters were on scene for several hours, working to put out hot spots.
No one was hurt. Everyone was out of the building by the time the fire department arrived.
The cause of the fire is undetermined.
