Ethiopian teen wins 800m at worlds

Mohammed Aman of Ethiopia won the men's 800-meter gold medal Tuesday at the world championships.

Mohammed Aman of Ethiopia won the men's 800-meter gold medal Tuesday at the world championships.

The 19-year-old indoor world champion surged ahead in the home stretch to beat Nick Symmonds of the United States. Aman had his best time of the season — 1 minute, 43.31 seconds.

Symmonds finished in 1:43.55 and Ayanleh Souleiman of Djibouti took the bronze in 1:43.76.

David Rudisha, the Olympic gold medalist and defending world champion, has been out injured for most of the season.

Aman won his last half dozen races and has beaten Rudisha twice.