The Office of the Fire Marshall of Ontario is now part of the investigation into a fire and death on Thunder Bay’s south side.

Crews are on the scene after the fire broke out Sunday night at the home on Frederica Street East near Edward Street South.

A significant portion of bricks is missing from the front of the home after the apparent explosion.

Members of the Major Crimes Unit are also involved in the investigation.

An autopsy is scheduled to take place in Toronto on Wednesday, Oct. 6.