Shigetoshi Kotari and Hiromasa Urakawa, both 28, died after sustaining brain injuries during separate bouts on the same card at Tokyo's Korakuen Hall.

Two Japanese boxers have died from brain injuries sustained in separate bouts on the same card at Tokyo’s Korakuen Hall.

The World Boxing Organization announced that both Shigetoshi Kotari and Hiromasa Urakawa died at the age of 28 from brain injuries suffered during their fights against Yamato Hata and Yoji Saito on Aug.