Transcript for Could Your Beautiful Christmas Display Be a Fire Hazard?
Next tonight, to the images of Christmas trees that always stun us. How quickly they can go up in flames. ABC's gio Benitez with the demonstration, and three simple tips to prevent it. Reporter: It's the most wonderful time of the year, but Christmas decorations could turn into the nightmare before Christmas. Fire departments respond to hundreds of fires during the holiday period and they are more likely to be fatal, like this one days ago in Ohio, a fire believed to have started with a Christmas tree. And no doubt, when a Christmas tree catches fire, it can go up quickly. Just watch. So, how can you keep your family safe? To find out, Syracuse fire department's bill elderbroom takes us to a training session at the burn house. We set up a few decorations, doing everything wrong. What do you think might happen here? Just the fact that there's no water pan for this tree, that as these needles start to get dry, people actually notice when these are shaken that the needles will fall. Reporter: That's the first test. Oh, absolutely. Reporter: Something we know, but may not do -- keep your tree watered. If the tree isn't drinking the water in the tray, cut an extra inch or two from the base. Tip two -- don't use thin extension cords to power lots of lights and train cements. Here's one we didn't know. Never keep those cords under the carpet. They're going to wear that insulation off and then that creates a serious fire hazard. Reporter: Tip three -- watch out for pets knocking things over. We've got open flames. If we have pets that come by or if they're too close to other combustible materials, now we're going to have a fire that's going to start. Reporter: And it turns out most fires happen after Christmas, when that tree really dries out. Don't get your guard down, David, until you've just tossed that tree. Keep watering it. Gio, thank you. When we come back here, the breaking headline.
This transcript has been automatically generated and may not be 100% accurate.