Into flames. Apparently the cause is lithium batteries. These batteries are in a wide range of devices as you know as weve reported before. Heres Kayna Whitworth with the new warning. Reporter a frightening moment caught on this California Home camera. Two teenagers sitting near a laptop charging on the couch, when suddenly, it burst into flames. I was just, like, in shock. We didnt really know what was happening. Reporter one boy blowing out the fire and placing it outdoors. But minutes later, another explosion, and then another. Even a fire extinguisher doesnt do the trick. It lights for a fourth time. Were lucky that our house didnt burn down. Reporter the family blaming the lithium battery in the fouryearold dell computer. We have seen these batteries overheat before, sparking fires in laptops, hover boards, and galaxy 7 notes. Experts urning people to stay safe. Charge devices on a hard surface away from fabric. Avoid dropping a device which can damage the battery. Unplug once the