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 Japan Boxing Commission (JBC) said earlier this month that both fighters had undergone surgery for subdural hematoma after their bouts.