dr. art lichter and his team have treated five patients with significant burns. >> there appears to be situations with either rechargeable batteries overcharged or some moisture that gets into the casing and then it causes an explosion. >> reporter: according to the agency, 80% of reported e- cigarette explosions occurred while the device was charging. 12% happened while the e-cig was in use. >> but you have donors on that site. >> reporter: alex is now on the road to recovery but says he plans to kick his smoking habit without the help of vaping. >> there's no point picking it back up. >> reporter: in aurora, christine noel, 9news. >> a greeley man was hospitalized after an e cigarette exploded in his face and in colorado springs a man's device blew up while charging. no deaths have been reported related to e cigarettes. >>> ahead a spectacular view of lightning storms on earth from the international space station. >> and the only american judge in the agility category at this >>> many of the attorneys with us today for lawline 9 specialize in injuries and accidents. they're with the denver bar