Updated On: 25 July, 2021 09:36 AM IST | Tokyo | IANS
Rio Olympic champion Katinka Hosszu of Hungaria finished fifth in 4:35.98. Meanwhile, American swimmer Chase Kalisz touched home first in four minutes and 09.42 seconds to clinch gold in the men`s 400m individual medley. This is the first swimming gold for Team USA in Tokyo

Tunisia`s Ahmed Hafnaoui poses with his gold medal after the final of the men`s 400m freestyle swimming event during the Tokyo 2020 Olympic Games at the Tokyo Aquatics Centre in Tokyo on July 25, 2021. Pic/AFP
Ahmed Hafnaoui won Tunisia`s first gold at the Tokyo Olympic Games in the men`s swimming 400m freestyle here on Sunday.
The 18-year-old pushed Australia`s Jack Mcloughlin to second in the final sprint, becoming an Olympic champion in his first appearance in three minutes and 43.36 seconds, 0.16 second ahead of the Aussie.