"I believe hide's death was an accident, " said X Japan leader Hayashi Yoshiki at a hastily called press conference the night before the funeral.

CNN: ISOLATED IN THEIR GRIEF

It said police also raided the homes of the executives, Yoshiki Sugiura of Mitsubishi Electric's general affairs department and Takeshi Watabe of Toshiba's general affairs section.

BBC: Japanese police raid Mitsubishi, Toshiba headquarters