The Office of the Ontario Fire Marshal is investigating a suspicious structure fire in Warwick Township.

Lambton County OPP, Warwick Fire Department, Brooke-Alvinston Fire Department and Lambton EMS responded to the fire on Huron Street just before 1 a.m. on Monday.

Upon arrival, responding emergency services were able to control and extinguish the blaze.

No injuries were sustained or reported by any members of the public or responding emergency personnel.

Police say during the initial investigation, it was determined that the cause of the fire appeared to be suspicious in nature.

The Lambton OPP Crime Unit is assisting the OFM with the investigation.