A house fire on Farrow Street in Britannia Thursday morning left a woman with critical injuries.

Emergency crews were called to the two-storey house just before 10 a.m., firefighters said in a news release Thursday afternoon.

Smoke and flames were visible when firefighters and police arrived.

Ottawa Fire on scene of a Working Fire at 38-2 Farrow Street in Brittania. Crews had heavy smoke & flames from a 1-1/2 storey home.on arrival. One person transported by <a href="https://twitter.com/OttawaParamedic?ref_src=twsrc%5Etfw">@OttawaParamedic</a> . Fire is under control & a Fire Investigator has been called. <a href="https://twitter.com/hashtag/ottnews?src=hash&ref_src=twsrc%5Etfw">#ottnews</a> <a href="https://twitter.com/hashtag/ottcity?src=hash&ref_src=twsrc%5Etfw">#ottcity</a> <a href="https://twitter.com/hashtag/ottawafire?src=hash&ref_src=twsrc%5Etfw">#ottawafire</a> <a href="https://t.co/t60nuuT0AN">pic.twitter.com/t60nuuT0AN</a> —@OFSFirePhoto

Paramedics said the victim — a woman believed to be in her 50s — was taken to the Ottawa Hospital's Civic campus trauma unit in critical condition, suffering from burns and smoke inhalation.

Damage to the house is estimated at about $100,000 or more.

A woman, believed to be in her 50s, was taken to hospital suffering from burns and smoke inhalation. 0:37

The house contains two units, and a total of six people — two adults and four children — have been displaced.

An investigation is underway.