The Trump administration placed a dramatic number of National Security Council staffers on administrative leave Friday as part of an agency overhaul, multiple outlets reported. The house-cleaning was reportedly overseen by Secretary of State Marco Rubio,

More than 100 National Security Council officials have been removed from their roles or detailed back to their agencies, part of a broader restructuring process under Secretary of State Marco Rubio who is also serving as interim national security adviser.

The dismissals, part of plan to radically downsize the National Security Council, follow President Donald Trump’s recent ouster of his national security adviser.