Tongan police are investigating a brawl in a bush allotment in Niutoua, which led to two men being hospitalised on Sunday 24.
The men, in their 30s and 40s, received serious injuries but in stable condition after they were attacked with a machete and a piece of wood, Police said.
They said several people were involved in the drunken brawl after an argument broke out between the two men.
Police alleged a man left the fight and returned with the machete.
He allegedly attacked another man before another man was believed to have attacked him with the piece of timber.
No charges have been laid and Police investigation continues.