A father and son have been arrested following a large brawlthat broke out at a construction site in Sydney’s northwest on Tuesday, police say.

A father and son have been charged over a large brawl between tradies at a building site in Sydney’s north-west, allegedly sparked by their sacking as subcontractors on the project.

A father and son have been arrested following a large brawlthat broke out at a construction site in Sydney’s northwest on Tuesday, police say.