The National Treasury Employees Union filed suit Monday to block U.S. President Donald Trump's executive order last week that stripped collective bargaining rights from hundreds of thousands of federal workers.

A union that represents 150,000 U.S. government employees filed a lawsuit on Monday seeking to block President Donald Trump from stripping hundreds of thousands of federal workers of the ability to collectively bargain with government agencies through their unions.

The National Treasury Employees Union, a federal labor union representing 150,000 workers across about three dozen U.S. agencies, is suing to block the Trump administration from trying to end collective bargaining with government employees.