The five who were killed died of smoke inhalation, the medical examiner says, and a federal agent joins the investigation into what started Saturday’s fire.

All five people who were killed early Saturday died of smoke inhalation, says the state medical examiner.

Canadian crews are called in to help restore electricity, which may take several days in some areas.

As the five victims are mourned, investigators use dogs to help find a cause, and inspection files on the apartment building are withheld.

The health care worker spoke outside her Fort Kent home just after Gov. LePage issues a statement about the court ruling.