The Norwegian swimming federation says world champion Alexander Dale Oen has died during a training camp in Flagstaff, Arizona. He was 26.

Doha will host the short-course world swimming championships in December 2014, the sport's governing body, FINA, announced on Wednesday.

Michael Phelps roared to victory in the 200m medley in 1min 56.32sec at the Indianapolis Grand Prix Saturday, almost two seconds faster than the Olympic season's previous top time.

Michael Phelps slashed more than four seconds off his season-best time in the 400-meter individual medley on Friday at the Indianapolis Grand Prix, and said he may reverse his earlier decision to skip the event at the London Olympics.

Surya Prasad Sharma of India has been banned for two years after testing positive for an anabolic steroid.

Ian Thorpe knew the instant he'd finished his 100-meter freestyle heat that he wouldn't be competing at the London Olympics. He lingered in the outside lane until the swimmers in the next race had started, staring at his time on the scoreboard before slowly dragging himself out of the pool.

Ian Thorpe's bid to swim at his third Olympics faces its moment of truth at the Australian selection trials starting in Adelaide on Thursday.

Michael Phelps posted the second-fastest 200m freestyle time in the world this year on Friday, signalling that his preparations for the London Olympics are on track.

Five-time gold medalist Ian Thorpe says he expects to fail in his attempt to make the Australian Olympic team for London 2012, admitting he may have left his return to competitive swimming too late.

Michael Phelps, the most decorated Olympian in history with 16 medals, cruised to his second win in as many days by capturing the 400-meter individual medley on Saturday at the Austin Grand Prix.