A North Las Vegas house fire that broke out on Christmas Day is being investigated as arson. We woke up because we heard exploding sounds it was 2 am on christmas morningwhen neighbors on little blue heron avenue were jolted out of bed. To see the house next door engulfed in flames. Luckily, there was no one home at the time. Officials say they believe the fire was started by an act of arson. And after fighting the flames for more than an hour over 20 miles an hour they packed up to go home. Except a neighbortrevor huntgot a knock at his door, somebody else knocking on our door saying the house was on fire again. As firefighters returned to make sure the fire stayed out hunt recalls other recent activity at the home. He says he remembers seeing police at the house about a week ago. North Las Vegas Police confirm to fox 5they were at a Domestic Violence call. Investigators believe they know who the suspect is. Any one with information is being asked to come forward with information. The