This six-year-old girl packs a punch as she shows off her impressive Muay Thai boxing skills with her father. <br /><br />Riina Hiyoshi was filmed at a gym with her father, Sarawut, in Udon Thani, northeastern Thailand, on December 10. <br /><br />Her Japanese mother, Saori Hiyoshi, helps to train Riina and her older sister Remina. <br /><br />Sarawut said Riina had been training since she was only three years old together with her sister. <br /><br />The father added: "Riina loves practising Thai boxing with me and her sister. Riina sometimes cried if she was not allowed to play Muay Thai when she was younger."
