&lt;a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Alexander+Dale+Oen&amp;family=editorial&amp;specificpeople=2090176 ng-click='$event.stopPropagation()'&gt;Alexander Dale Oen&lt;/a&gt; of Norway swims during his semifinal heat of the Men's 100m Breaststroke on Day Nine of the 14th FINA World Championships at the Oriental Sports Center on July 24, 2011 in Shanghai, China. World Champion and Olympic silver medallist Norwegian swimmer &lt;a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Alexander+Dale+Oen&amp;family=editorial&amp;specificpeople=2090176 ng-click='$event.stopPropagation()'&gt;Alexander Dale Oen&lt;/a&gt; has died, aged 26, after suffering a cardiac arrest while training in Flagstaff, Arizona.