The Ontario Fire Marshall’s Office is investing a house fire that killed two people in Mount Brydges.

The three-alarm blaze broke out around 3 a.m. in the village just west of London.

According to police in Strathroy-Caradoc, a 41-year old woman and 34-year old man were found dead in the lower unit of the home.

The names of the victims have not been released.

There is no word yet on the cause of the fire, but investigators say it isn't considered suspicious.