Two people managed to escape unharmed when a fire broke out inside their home in northwest Calgary.

When crews arrived at the home, they found smoke pouring out the rear basement area of the single story duplex on Coleridge Road N.W.

A man and a woman who live there managed to get out safely,

Two other residents weren’t home when the fire broke out.

Crews managed to knock down the fire, but the occupants weren’t allowed back inside.

The cause of the fire is under investigation.