# Athletics: American teenager Cooper Lutkenhaus is seen as a future star after beating Olympic champions Emmanuel Wanyonyi in the 800-meter at the Diamond League meeting in Oslo, Norway. The 17-year-old won in a personal best time of one-minute-42.08-seconds despite the Kenyan recording his own best time of the season. Lutkenhaus also won gold in the item at the World Indoor Championships, the Diamond League event in Stockholm, Sweden, and three other events.
Athletics: American teenager stuns Olympic champion in Oslo