It is expected that the Labour Party is to attempt to force the Government to publish its assessments of Suella Braverman's security breach as a backlash grows against her reappointment.
Prime Minister Rishi Sunak reinstated Braverman as Home Secretary last week, just six days after she was forced out. But he has resisted demands to launch an inquiry into Ms Braverman breaking the Ministerial Code by sharing a sensitive document with a Tory backbencher from a personal email without permission.
Both Labour and the Liberal Democrats have raised "national security" concerns and called for a Cabinet Office probe.