Tunisia's Ahmed Hafnaoui pulled off a major shock on the opening day of the Tokyo Olympics swimming medal events with a stunning victory
Some of the biggest surprises so far from the Tokyo Games.
Ryan Murphy lost the second of his Rio backstroke titles to Russian Evgeny Rylov at the 2020 Olympics on Friday and the US swimmer then suggested doping had played a part in his demise as events took an acrimonious turn at the Tokyo pool.