As celebrations go, this is an odd enough one. 

Japanese wrestling Olympian, Risako Kawai became the fourth member of team Japan to win a wrestling gold medal at the Rio Olympics yesterday in the freestyle 63kg final. 

Kawai was so full of enthusiasm and energy after her victory that she decided to slam her coach, Kazuhito Sakae to the mat. Twice. 

Maybe that's payback for the grueling training regime he put her through over the past number of years?

Either way, we're sure Kazuhito Sakae won't have minded too much.