The teenager squeaked into the final by 14-hundredths of a second, landing him in the far outside lane.

Nobody was watching Ahmed Hafnaoui in lane eight of the Olympic pool but all eyes were on the Tunisian teenager at the finish.

He squeaked into the final by 14-hundredths of a second, landing him in the far outside lane.

Asked what he knew about Hafnaoui, Smith said, “Absolutely nothing.”.