Japan boxing authorities toughen up safety measures after deaths of two fighters in two days The GuardianSecond boxer dies from brain injury after Tokyo event BBCJapan boxing to hold emergency meeting following fighters’ deaths Al JazeeraWBC Mourns the Passing of Shigetoshi Kotari World Boxing CouncilJapan Boxing Commission to hold crisis meeting after deaths of Hiromasa Urakawa and Shigetoshi Kotari Sky Sports
