LONDON, ONT -- Seven people are lucky to be alive after a blaze ripped through their east London home early Sunday morning.

Working smoke alarms went off at 1 a.m. with occupants rushing to exit the home at 2680 Dundas Street.

Fire fighters on scene Sunday morning say the house will have to be torn down and the residents are displaced.

The fire was under control early this morning, and now investigators are on scene.