Ottawa firefighters said someone living in a townhome unit on Ottawa's Russell Road died in a fire late Thursday.
They said in a news release they were called around 10:50 p.m. to the end unit of a townhome complex located in a neighbourhood near the General campus of The Ottawa Hospital.
Fire there had spread to the neighbouring unit, they said.
Four people were able to get out of their home, they said, but one resident couldn't get out and died. Firefighters didn't share that person's name, adding that it is unknown if the people inside the home were related to one another.
Ten people have been forced from their homes and are getting support from the Red Cross, according to the news release.
Three other adults were checked for minor injuries, according to Ottawa paramedics.
Sam Ankenmann lives in the building behind the townhome. He was headed to bed with his wife when they noticed a glow coming from their neighbours' home.
The fire, which was under control by midnight, is under investigation by the province's fire marshal and Ottawa police's arson and explosion unit.
According to Ottawa Fire Chief Paul Hutt, there is no evidence to suggest the fire was suspicious, although there is still a mandate for the Ontario Fire Marshal to investigate.