Bolton midfielder Fabrice Muamba is "critically ill" in intensive care at the heart attack centre of the London Chest Hospital, the club have confirmed.
A Wales supporter has died following an assault before England's Euro 2012 qualifying match at Wembley Stadium on Tuesday night, Scotland Yard have confirmed.
Former Japan national team defender Naoki Matsuda died on Thursday after collapsing at training eariler in the week.
Evander Sno had be to revived by a defibrillator on three occasions after suffering a cardiac arrest during Monday's reserve game at Vitesse Arnhem, according to Ajax reserve team assistant Albert van der Dussen.
Ajax midfielder Evander Sno has been taken to hospital after suffering a suspected heart attack during a reserve match.