A unionist will face court for allegedly organising a strike at a Perth construction site after being told workers' pay would be docked for attending a meeting during work.

Fair Work Building and Construction has launched legal proceedings against CFMEU assistant state secretary Joe McDonald and 49 employees who were involved in the industrial action in May. It is alleged that McDonald and two other CFMEU officials held a pre-work meeting with workers on the Lakeside Joondalup Redevelopment project…