KAIMUKI, Hawaii (Island News) -- There must be something in the water at Mango Tree Gym in Kaimuki ... USA in February at the World Boxing Council Muay Thai Pan American Games in Mexico.

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John O’Brien, 62, runs OB’s Muay Thai Gym on William Street and has called the facility home for 15 years. Muay Thai, also known as Thai boxing, is a full-contact combat sport and martial art ...