HWASEONG/SEOUL -- The deadly fire that killed at least 23 people at a lithium battery factory in Hwaseong, Gyeonggi Province, may have been worsened by deficiencies in prevention measures and unsafe working environments, with a report that a fire had broke out two days before the Monday outbreak. While the exact cause of the fire will be determined through further forensics, experts believe that the lack of a proper evacuation route may have worsened the fire's effects. The proximity of the