Sarnia Fire & Rescue Services responded to a house fire this morning on Durand Street.
No details were immediately available, but the street was blocked off as firefighters battled the blaze at 136 Durand, a two-storey brick home that was extensively damaged.
The home is located between Christina Street and London Road School.
Shortly after 11 a.m., a Sarnia Police officer came across smoke billowing from the front of the residence.
The Sarnia Fire Department is investigating the incident, which appears to be suspicious, Sarnia Police said.
Any witnesses or anyone with video surveillance of the area is asked to contact Detective Johann Lewis ,at 519-344-8861, extension 6200, or Sarnia Lambton Crime Stoppers at 1-800-222-8477.