Mrs May continued: “On Saturday, my Right Honourable Friend said, ‘we must be able to promote those with proven expertise.’
“Why then is the new national security advisor a political appointee with no proven expertise in national security?”
But Michael Gove rebuked Mrs May’s attack pointing out David Frost would not be the first national security advisor drawing his expertise from diplomacy rather than security world.
The Chancellor of the Duchy of Lancaster said: “Like my Right Honourable Friend, I too want to pay tribute again to Sir Mark and I appreciate, having served in Cabinet when she was Prime Minister, just how much we all owe to him for his distinguished public service.
READ MORE: 36 cities and counties could face lockdown – is YOUR area affected?