President Donald Trump is ending collective bargaining with federal labor unions in agencies with national security missions across the federal government, citing authority granted him under a 1978 law.

The administration is trying to use a national security exemption to eliminate union rights for hundreds of thousands of workers.

US president Donald Trump issued an executive order to terminate collective bargaining with federal labour unions in agencies related to national security, affecting major federal departments. The move has been condemned by the American Federation of Government Employees and other unions,