The Japanese network Fuji Television and its parent company say its president and chairperson are resigning immediately to take responsibility for a widening sex assault scandal linked to one of Japan’s top TV celebrities.

Top brass at Japanese network giant Fuji Television and its parent company have stepped down following allegations involving Masahiro Nakai.

The chairman and president of Fuji TV, one of Japan's biggest networks, have resigned in the wake of a sexual misconduct allegation against a famous TV host. Dozens of companies have pulled their advertisements from the network, which was criticised for trying to cover up the scandal.