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.

Japanese boxers Shigetoshi Kotari and Hiromasa Urakawa have died following brain injuries sustained while competing on the same card, although in different fights, at Korakuen Hall in Tokyo on Aug. 2.