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 boxers in Japan have died from brain injuries they incurred in separate bouts during the same event in Tokyo, officials said. Super featherweight Shigetoshi Kotari and lightweight Hiromasa Urakawa,

A second Japanese boxer has died from brain injuries suffered during separate bouts at the same event in Tokyo.