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.

A second boxer has died from injuries suffered during a professional event in Tokyo. Japanese fighter Hiromasa Urakawa, 28, died on Saturday after he was knocked out in the eighth round by Yoji Saito at Tokyo’s Korakuen Hall on August 2.