Apparently it spread to 3 buildings and one body was found.
Source.
Translated through Google translate:
4:00 pm 2 15 minutes around , it was fire from Shinagawa-ku, Tokyo Ebara of the apartment , two-story total of about 240 square meters wooden burned down . Baked part in Moeutsu~tsu to three buildings , such as adjacent to the apartment , it was put out after about 6 hours .
Found the bodies of one woman from the ruins of apartment buildings , the Tokyo Metropolitan Police Department Ebara station is residents unemployed , I'm in a hurry to confirm the identity and look Jutaniki以子's ( 78) . According to the police , the first floor of the interior was burning fiercely . Other residents want , such as shelter , was not injured .