keith bryant/ u.s.ire administrator: "it's the battery itself that we're concerned about from a safety perspective. lithium-ion batteries because of their composition and they way that they do generate power, do tend to generate a lot of heat as well."the batteries are stored in cylinder casings at the end of the device. the u.s. fire administration's report indicates the shape and casing around the battery may be increasing the risk of fires or explosions.keith bryant/ u.s. fire administrator: "don't use these devices or place these devices on heated surfaces. don't have these devices around flammable materials or combustible materials such as clothing."the usfa detailed 195 reported explosions or fires caused by the devices from 2009 to 2016.keith bryant/ u.s. fire administrator: "the manufacturing industry continues to look at the ways to improve the use and the safety of these batteries as we go along."for today's health minute, i'm meredith wood. ( dave ) you know when you're at ross and... wow! ..

the usfa detailed 195 reported explosions or fires caused by the devices from 2009 to 2016.keith bryantinistrator: "the manufacturing industry continues to look at the ways to improve the use and the safety of these batteries as we go along."for today's health minute, i'm meredith wood.i'm meredith wood. wood. (vicki) up next -- police have released the suspects who were taken into custody for the alleged assault of mptt. we'll explain why after the (vicki)(vicki) chicago police say they have released two nigerian brothers who had been arrested earlier in the week on suspicion of assaulting "empire" actor jussie smollett, saying that detectives have additional investigative work to complete. (grant) the men were picked up by police wednesday at chicago's o'hare international airport and their apartment was searched thursday. they were questioned yesterday but police were obliged to release them if they had not been charged within 48 hours. cicago police tweeting: "due to new evidence as a result of today's interrogations, the individuals questioned by police in the empire case have now