Chatham-Kent police are investigating a suspicious house fire.

Damage has been estimated at about $80,000.

Emergency crews responded to a residence on Richmond Street at about 5:00 a.m. Monday morning. Police say the home was engulfed in flames.

There was no one inside at the time of the fire.

Anyone with information is asked to contact Const. Rob Rose at 519-436-6625 or call Crime Stoppers at 1-800-222-TIPS (8477).