SwimNews. Alexander Dale-Oen, the Norwegian world 100m breaststroke champion, has died in Flagstaff, the swimmer's national federation has confirmed. He was 26.

Dale Oen, the fastest man ever to race 100m breaststroke in a textile suit and ther first Norwegian to win world and European titles, was in the midst of an altitude training camp in Arizona.

A Norwegian Swimming Federation statement indicated that Dale Oen suffered a heart attack. It was, said the federation, the saddest day in the history of Norwegian swimming.