UPDATED: No injuries reported in duplex fire, at least 3 displaced

Ottawa Paramedics say no one has been reported hurt in a three-alarm blaze on Concord Street North.

However, firefighters say at least three people will be displaced.

Firefighters responded to the fire in the red brick duplex on the corner of Concord and Echo Drive around 11:13 a.m. Thursday. Smoke could be seen pouring out of the windows. A second alarm was called at 11:22 a.m. and the third alarm was called at 11:47 a.m.

The fire is believed to have started in the basement.

The building on Concord Street is a 2 storey double. Fire appears to be located in the basement of one unit. pic.twitter.com/AubjYOTUHn

— Scott Stilborn (@OFSFirePhoto) July 13, 2017

Ottawa Police have closed several roads in the area.

Update: Roads closed are Main/Greenfield, Havelock/Greenfield, Montcalm/Greenfield, Concord/Montcalm, Echo from Greenfield to Main https://t.co/k6sp3ELaxm

— Ottawa Police (@OttawaPolice) July 13, 2017

Hydro Ottawa reported a forced outage due to the fire, affecting 1832 customers. They estimated power to be restored by 1:00 p.m.

Most customers had power back by 12:45 p.m.

UPDATE: 1467 customers restored. Still 385 customers affected. Crews waiting for Fire Dept clearance to restore. #OttNews #SafetyFirst

— Hydro Ottawa (@hydroottawa) July 13, 2017

The remainder got their power back after 3:00 p.m.

UPDATE: we have received all-clear from @OttFire & power has been restored. #ottnews

— Hydro Ottawa (@hydroottawa) July 13, 2017

It's not yet known how much damage the fire has done or what caused it.