Lord Frost, up to now a close ally of Mr Johnson, walked out with a parting shot at the 'direction of travel' and saying he had hoped the end of lockdown would be 'irreversible'.
Lord Frost's fearsome reputation at the negotiating table prompted Boris Johnson to declare him the 'Greatest Frost since the Great Frost of 1709' in his conference speech this year.
ANNA MIKHAILOVA: Lord Frost has been picking up tips from a little-known Russian identified by my source as Igor Ryzov, an expert in Soviet hardball tactics.