Tunisia's Ahmed Hafnaoui celebrates after winning the final of the men's 400m freestyle during the Tokyo 2020 Olympics at the Tokyo Aquatics Center on Sunday. Unheralded Hafnaoui delivers huge shock to claim 400m freestyle gold TOKYO－Nobody was watching Ahmed Hafnaoui in lane eight of the Olympic pool. Hafnaoui's winning time was almost three seconds faster than his previous best before …
