'There's mum and dad's house' - wildfire razes swathe of Jasper

Video shows the aftermath of a wildfire ravaging the historic Canadian tourist town of Jasper and the surrounding national park.

The scale of the damage is still unclear, but an official says 30% to 50% of buildings in Jasper may have been destroyed.

At least 25,000 people have evacuated the town. One resident filmed the destruction left behind from the potent blaze.