* Harumafuji reported to have attacked junior wrestler in bar
* Mongolian wrestler has won nine grand tournaments
* Education minister urges ancient sport to eradicate violence

Sumo grand champion Harumafuji announced he would retire on Wednesday to take responsibility for injuring a junior wrestler in an incident that has threatened to taint the image of Japan's national sport just as it was regaining popularity.

The 33-year-old Mongolian-born ‘yokozuna’ (grand champion) had already apologised earlier this month after media reported he had beaten junior wrestler Takanoiwa while drinking at a restaurant-bar with other wrestlers.

‘As 'yokozuka' I feel responsible for injuring Takanoiwa and so will retire from today,’ a stern-faced Harumafuji told a news conference carried live by several Japanese broadcasters in Fukuoka, southern Japan, site of the most recent tournament.

‘I apologise from my heart to the people, sumo fans, the Japan Sumo Association, to supporters of my 'stable' (gym) and my 'oyakata' (coach) and his wife for causing such trouble.’

Harumafuji gave no details of the incident -- still under investigation by police -- which media reports said occurred when he got angry because the younger wrestler was checking his smartphone after being chastised for a bad attitude.

‘I had heard that he was lacking in manners and civility and thought it was my duty as a senior wrestler to correct and teach him,’ Harumafuji said. ‘But I went too far,’ he said, adding that the incident did not occur because he had been drinking.

The incident has highlighted sumo's struggle to reform harsh conditions that can breed violence in its closed, hierarchical world, although some wrestlers say there have been improvements in the decade since a trainee was beaten to death.

‘Sumo, recognising its responsibility as the sport with the longest history in Japan, must stamp out violence so that the expectations of the people, including youth, are not again betrayed,’ Education Minister Yoshimasa Hayashi, whose ministry oversees sports, said in a parliamentary committee meeting.


The head of an advisory body to the JSA, the Yokozuna Deliberation Council, had said this week the affair warranted ‘extremely harsh punishment’ but did not issue a final decision because both the JSA and police were still investigating.

‘There is almost no doubting that an act of violence was carried out,’ Masato Kitamura, chairman of the panel, told a news conference after a council meeting on Monday.

‘The general feeling within the council is that a strict disciplinary measure is required,’ he added.

A former oyakata was sentenced to five years in prison in 2010 after a court found he had ordered wrestlers to beat 17-year-old trainee Takashi Saito, who had tried to run away, in 2007. Saito died from his injuries.

Mongolian yokozuna Asashoryu, who often found himself at odds with sumo authorities over his behaviour, quit the sport that same year after a probe into reports of a drunken scuffle in Tokyo.

Those incidents and increased competition from other sports eroded the popularity of sumo, in which giant wrestlers clad in silk loin-cloths seek to topple, throw or push each other out of a raised ring.

However, January's promotion of Japanese wrestler Kisenosato to grand champion, the first home-grown yokozuna in 19 years, helped to rebuild the sport's fan base.

Harumafuji, one of many Mongolian wrestlers to dominate sumo in recent years, started his career in Japan at the age of 16 and was promoted to yokozuna in 2012. He has won nine grand tournaments in all.

Reflecting on his 17-year career in sumo, Harumafuji said: ‘I really love sumo. The way of sumo is not simply to be strong, but through sumo... I wanted to inspire the people and give them courage and hope.

The assault affair has grabbed headlines since the news broke earlier this month and on Wednesday was the second top news story on public broadcaster NHK, after the launch of a North Korean ballistic missile that splashed down near Japan. 

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