US sprint star Fred Kerley provisionally suspended for whereabouts failures

• Olympic 100m medallist faces AIU suspension

• Sprinter's lawyer insists missed tests should be set aside'

The American sprint star Fred Kerley is facing a two-year ban after being suspended by the Athletics Integrity Unit for missing three doping tests over a 12-month period.

Kerley, who won the silver medal over 100m at the Tokyo 2020 Games before taking bronze in Paris last year, was issued with the suspension by the AIU on Tuesday for three whereabouts failures.