Six people were taken to hospital after inhaling smoke in a fire at a Tokyo apartment building on Thursday, with authorities suspecting a portable battery as the culprit.Rechargeable batteries inside or attached to devices such as hand-held fans and smartphones have been blamed for a number of fires recently, sparking safety concerns among the public as such items become ubiquitous.According to the Tokyo police and fire department, the latest fire occurred after a resident on the second floor of the five-story building in Tokyo's Suginami Ward went to sleep with her smartphone hooked to a p…READ FULL ARTICLE