Olympic runners George Mills from Great Britain and Hugo Hay from France exchanged elbows during the latest 5000m qualifying heat, resulting in a domino effect that caused four other athletes to fall and the rest to scramble to continue amid the chaos.
Hay remained upright and continued running, but Mills, alongside Thierry Ndikumwenayo from Spain, Dominic Lokinyomo from the Refugee Team, Moh Ahmed from Canada, and Mike Foppen from the Netherlands, fell on the tracks and were thus unable to compete properly.
After crossing the finish line, Mills caught up to Hay and reportedly shouted obscenities while furiously pointing his finger at him.