The 35-year-old Olympic silver medallist became unified world champion in 2011 and has to his credit 34 wins from 40 fights.
The International Olympic Committee said Afghan sports representatives are committed to following Olympic Charter after meeting in Qatar.
The upsets continued in the women's 400 medley when Japan's Ohashi delighted the host nation to topple defending champion Katinka Hosszu.
IOC President Thomas Bach said he had the "full support" of the Japanese government to go ahead with the implementation of the Tokyo Games.
Perkins won gold in the 1,500 metres at the 1992 and 1996 Olympics and broke numerous world records in his career.
Murray wore a coronavirus-conscious mask on his way to the unusual, no-spectators setting and avoided handshakes when he left. In between, the three-time Grand Slam champion offered his usual mix of hustling and muttering.
Peter Snell, who is regarded as one of the greatest middle-distance runners of all-time, won the 800 meters at the 1960 Rome Olympics aged 21, and the 800-1,500 double at the 1964 Tokyo Games.
The 32-year-old Fraser-Pryce, who skipped the 2017 championships to give birth to her first child, delivered a barnstorming run to take the 100m in 10.71sec.
The 28-year-old South African won her last 800 metre race on Friday before the introduction of the rules by the IAAF come into effect on May 8.
Korea Skating Union says South Kores's former short track world champion has died of cancer at age of 23
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