>> THIS IS NORTH DAKOTA'S LARGEST CITY. >> FARGO. >> THERE WERE TWO WORLD WAR I BATTLES. >>> WE COME ON THE AIR NOW TO BRING YOU BREAKING NEWS OUT OF PLUM BOROUGH . A MASSIVE EXPLOSION LEVELED A HOUSE ON RUSTIC RIDGE IN BROOKSIDE DRIVE . THIS IS DRONE FOOTAGE SENT INTO US FROM A VIEWER. IT SHOWS THE AFTERMATH OF A REPORTED EXPLOSION. YOU CAN SEE THE SMOKE YELLING INTO THE SKY AND IT CAN BE SEEN FOR MILES. WE ARE TOLD, MULTIPLE PEOPLE ARE TRAPPED IN THE RUBBLE . WE HAVE A CREW ON THE SCENE NOW, ASSESSING EXACTLY WHAT JUST HAPPENED OUT THERE. KHMER VALLEY IS JOINING US NOW WITH WHAT HE HAS LEARNED. WHAT ARE YOU SEEING? >> Reporter: GOOD MORNING, JUST BEFORE NOON HERE, WE ARE IN PLUM, THIS IS RUSTIC RIDGE AND BROOKSIDE DRIVE . IT IS REALLY QUITE THE SCENE HERE. I WILL STEP OUT OF FRAME SO YOU CAN GET A LOOK. CREWS ARE STILL WORKING. YOU CAN SEE A HOUSE WITH VERY LITTLE REMAINING , AS THEY ARE JUST POURING WATER. WE GOT THE REPORT THAT AN EXPLOSION HAPPENED. IF YOU LOOK AT THE GARAGE DOOR, NEXT TO THE HOUSE, IN WHICH THEY ARE POURING WATER ON, YOU CAN SEE THAT BACK DOOR IS BENT IN, THAT GIVES YOU AN IDEA OF HOW BIG AND FORCEFUL THIS EXPLOSION JUST GETTING ON THEME HERE, MULTIPLE UNITS I HAVE COUNTED AT LEAST 31st RESPONDER VEHICLES. FIRE UNITS AS FAR AS WAY AS MURRYSVILLE AND MONROEVILLE HAS SHOWN UP IN PLUM . WE ARE STILL WORKING TO LEARN MORE. WE HAVE GOTTEN WORD THAT POTENTIALLY-- PARDON ME, THE SMOKE IS COMING THIS WAY. IT IS GETTING A LITTLE HARD TO TALK. WE HAVE BEEN GETTING REPORTS THERE ARE POTENTIALLY PEOPLE TRAPPED INSIDE OF SOME OF THESE HOUSES. WE KNOW ONE HOUSE HAS EXPLODED. WE DON'T KNOW IF THERE ARE ANY INJURIES. OBVIOUSLY, CREWS ARE HERE, WORKING FRANTICALLY , AS YOU CAN SEE. THE OTHER THING I WANT TO POINT YOUR ATTENTION TO, I AM GOING TO COME BACK ON CAMERA. IF YOU CAN LOOK DOWN AT THIS YARD FOR ME, THERE IS ACTUALLY DEBRIS. WE ARE ABOUT 100 PLUS YARDS OFF OF WHERE THIS FIRE IS HERE YOU CAN SEE, THERE IS DEBRIS THAT SHOT OUT INTO THIS YARD. WE HEAR MORE SIRENS COMING INTO THE AREA. AGAIN, THIS IS A BAD THING RIGHT NOW. RESIDENTS ARE BEING ASKED TO STAY OUTSIDE OF THE HOUSE AND NOT BE INSIDE. THAT IS ALL THE INFORMAT