The controversy sparked a near riot in Parliament as Brexiteers shouted their fury at the Speaker.

Amid scenes of chaos on the Commons floor, one livid Cabinet minister confronted Mr Bercow just before PMQs to accuse him of being “totally out of order”.

The Sun can reveal that seething Chief Whip Julian Smith – one of Mrs May’s closest lieutenants – accused Mr Bercow of “throwing centuries of precedence in the bin to thwart the referendum result”.