A federal judge ruled Thursday the Trump administration’s mass firing of probationary government workers was probably illegal, according to multiple outlets, ordering the Office of Personnel Management to rescind directives that triggered the layoffs after the Trump administration recently indicated the largest round of layoffs to several federal agencies yet is forthcoming.

SAN FRANCISCO (AP) — A federal judge in San Francisco on Thursday found that the mass firings of probationary employees were likely unlawful, granting temporary relief to a coalition of labor unions and organizations that has sued to stop the Trump administration’s massive dismantling of the federal workforce.

A federal judge ruled that the terminations at agencies including the Department of Defense were probably illegal.