A screenshot from a YouTube video shows women climbing up a sumo ring to treat  city mayor Ryozo Tatami,  in a gym in Maizuru, Kyoto prefecture, Japan. Photograph: Kyodo/via Reuters

The Japan Sumo Association apologised on Thursday after female medics were asked to leave a sumo ring where they were treating a local official who ha(...)

Japanese grand sumo champion Yokozuna Kisenosato performs the New Year’s ring-entering rite at the annual celebration for the New Year at Meiji Shrine in Tokyo. Photograph: Toru Hanai/Reuters

Sumo’s top-ranked referee will resign over an incident in which he kissed and touched a teenage referee while drunk, Japanese media reported, the lat(...)

 Mongolian-born yokozuna  Harumafuji Kohei performs a ring-entering ceremony during the New Year’s sumo dedication event at Meiji Shrine in Tokyo earlier this year. Photograph: Christopher Jue/Reuters

Police have referred former sumo grand champion Harumafuji to prosecutors on suspicion of bodily injury to a junior wrestler, Japanese media reported(...)

Mongolian-born yokozuna, or grand champion, Harumafuji and his stable master Isegahama bow during a press conference to announce Harumafuji’s retirement. Photograph: Getty Images

Sumo grand champion Harumafuji announced he would retire on Wednesday to take responsibility for injuring a junior wrestler in an incident that has t(...)

Yokozuna Harumafuji during the New Year’s ring-entering rite at the annual celebration for the New Year at Meiji Shrine. Photograph: Yuya Shino/Reuters

A probe into an assault by a sumo grand champion against a junior wrestler threatens to stain the image of Japan’s ancient national sport just as its (...)