A 114-year-old Japanese woman who had assumed the title of the world 's oldest person last month died Thursday , a spokesperson for Hiroshima city said .
A 114-year-old Japanese woman who just weeks ago assumed the title of the world 's oldest person died today , a Hiroshima official said .
The agencies warn that the " insulation can sift through cracks in the ceiling , around light fixtures or around ceiling fans . "